./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.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_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- 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 17:53:45,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:53:45,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:53:45,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:53:45,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:53:45,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:53:45,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:53:45,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:53:45,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:53:45,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:53:45,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:53:46,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:53:46,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:53:46,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:53:46,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:53:46,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:53:46,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:53:46,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:53:46,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:53:46,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:53:46,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:53:46,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:53:46,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:53:46,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:53:46,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:53:46,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:53:46,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:53:46,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:53:46,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:53:46,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:53:46,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:53:46,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:53:46,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:53:46,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:53:46,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:53:46,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:53:46,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:53:46,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:53:46,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:53:46,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:53:46,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:53:46,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:53:46,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:53:46,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:53:46,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:53:46,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:53:46,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:53:46,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:53:46,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:53:46,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:53:46,104 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:53:46,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:53:46,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:53:46,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:53:46,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:53:46,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:53:46,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:53:46,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:53:46,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:53:46,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:53:46,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:53:46,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:53:46,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:53:46,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:46,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:53:46,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:53:46,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:53:46,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:53:46,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:53:46,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:53:46,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:53:46,110 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:53:46,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:53:46,111 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2022-11-25 17:53:46,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:53:46,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:53:46,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:53:46,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:53:46,525 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:53:46,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:53:49,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:53:50,386 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:53:50,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:53:50,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/da57ea0e0/dfecc286e5b9435b937fb921edff2c6f/FLAG530f3b396 [2022-11-25 17:53:50,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/da57ea0e0/dfecc286e5b9435b937fb921edff2c6f [2022-11-25 17:53:50,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:53:50,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:53:50,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:50,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:53:50,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:53:50,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:50" (1/1) ... [2022-11-25 17:53:50,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64495126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:50, skipping insertion in model container [2022-11-25 17:53:50,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:50" (1/1) ... [2022-11-25 17:53:50,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:53:50,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:53:51,426 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:53:51,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:53:51,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:53:51,595 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:53:51,597 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:53:51,815 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:51,896 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_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-11-25 17:53:51,971 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:53:52,040 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:53:52,047 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:53:52,173 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:52,175 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:53:52,175 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:52,177 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:53:52,177 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:53:52,178 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:52,178 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-11-25 17:53:52,182 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:53:52,185 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:53:52,185 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:52,186 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:53:52,190 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:53:52,190 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:52,192 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:52,192 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:52,193 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:53:52,203 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 17:53:52,209 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:52,218 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 17:53:52,233 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:53:52,235 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:52,236 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:52,236 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:52,237 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 17:53:52,262 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:52,266 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:52,266 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:52,267 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:52,278 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:52,279 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:52,279 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:52,280 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:52,280 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:52,281 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:52,288 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,295 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,296 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,302 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,308 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:53:52,313 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,316 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:53:52,318 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,324 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 17:53:52,329 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:52,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,345 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:53:52,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,364 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:53:52,368 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,369 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:53:52,370 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:53:52,371 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:53:52,372 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,373 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,374 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,375 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,376 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:53:52,378 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:52,379 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:52,387 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,388 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,389 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,396 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,397 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,399 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,402 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,406 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,408 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,411 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,413 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:52,416 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 17:53:52,418 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:52,431 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-11-25 17:53:52,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,438 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-11-25 17:53:52,438 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-11-25 17:53:52,444 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:53:52,445 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,446 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,446 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-11-25 17:53:52,452 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:53:52,453 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 17:53:52,455 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,461 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-11-25 17:53:52,461 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:52,471 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 17:53:52,472 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-11-25 17:53:52,472 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:53:52,473 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-11-25 17:53:52,490 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-11-25 17:53:52,520 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:53:52,531 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:53:52,531 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:53:52,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,550 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,573 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,581 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,586 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:52,666 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:53:52,938 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:53:52,940 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:53:52,942 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:53:52,943 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:53:52,944 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:53:52,946 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:52,950 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_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-11-25 17:53:52,953 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:53:52,963 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:53:52,963 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:53:53,009 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:53,010 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:53:53,010 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:53,011 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:53:53,011 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:53:53,012 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:53,013 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-11-25 17:53:53,014 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:53:53,016 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:53:53,017 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:53:53,018 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:53:53,018 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:53:53,019 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:53,019 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:53,020 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:53,020 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:53:53,029 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 17:53:53,030 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:53,031 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 17:53:53,034 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:53:53,035 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:53,037 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:53:53,038 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:53,040 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 17:53:53,042 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:53,045 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:53,045 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:53,051 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:53,061 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:53,066 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:53,068 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:53:53,069 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:53:53,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:53,070 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:53:53,073 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,077 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,078 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,083 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,089 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:53:53,090 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,091 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:53:53,091 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,093 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 17:53:53,094 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:53,094 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,100 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:53:53,103 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,105 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:53:53,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,107 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:53:53,107 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:53:53,108 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:53:53,109 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,110 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,114 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:53:53,115 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:53:53,116 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:53,124 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,127 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,132 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,144 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,148 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,149 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,154 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,156 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,158 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:53:53,159 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 17:53:53,166 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:53:53,170 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-11-25 17:53:53,171 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,172 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-11-25 17:53:53,172 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-11-25 17:53:53,173 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:53:53,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,178 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,179 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-11-25 17:53:53,181 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:53:53,182 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 17:53:53,183 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,186 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-11-25 17:53:53,186 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:53:53,191 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 17:53:53,191 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-11-25 17:53:53,192 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:53:53,192 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-11-25 17:53:53,196 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-11-25 17:53:53,203 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:53:53,223 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:53:53,224 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:53:53,225 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,229 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,243 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,257 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,259 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,260 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,261 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:53:53,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:53,397 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:53:53,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53 WrapperNode [2022-11-25 17:53:53,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:53,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:53,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:53:53,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:53:53,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,644 INFO L138 Inliner]: procedures = 183, calls = 1615, calls flagged for inlining = 84, calls inlined = 65, statements flattened = 2922 [2022-11-25 17:53:53,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:53,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:53:53,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:53:53,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:53:53,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,823 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:53:53,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:53:53,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:53:53,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:53:53,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (1/1) ... [2022-11-25 17:53:53,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:53,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:53,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:53:53,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:53:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 17:53:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 17:53:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2022-11-25 17:53:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2022-11-25 17:53:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:53:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2022-11-25 17:53:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2022-11-25 17:53:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-25 17:53:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-25 17:53:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:53:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-25 17:53:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-25 17:53:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:53:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:53:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:53:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:53:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 17:53:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 17:53:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-25 17:53:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-25 17:53:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:53:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:53:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 17:53:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 17:53:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2022-11-25 17:53:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2022-11-25 17:53:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:53:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:53:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-25 17:53:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-25 17:53:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-11-25 17:53:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-11-25 17:53:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:53:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:53:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-25 17:53:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-25 17:53:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:53:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2022-11-25 17:53:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2022-11-25 17:53:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:53:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:53:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 17:53:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 17:53:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2022-11-25 17:53:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2022-11-25 17:53:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:53:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:53:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2022-11-25 17:53:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2022-11-25 17:53:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:53:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:53:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:53:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:53:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:53:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-25 17:53:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-25 17:53:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-25 17:53:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-25 17:53:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2022-11-25 17:53:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2022-11-25 17:53:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:53:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:53:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:53:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2022-11-25 17:53:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2022-11-25 17:53:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2022-11-25 17:53:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2022-11-25 17:53:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:53:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:53:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:53:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:53:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:53:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:53:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-11-25 17:53:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-11-25 17:53:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 17:53:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:53:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:53:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2022-11-25 17:53:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2022-11-25 17:53:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:53:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:53:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:53:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2022-11-25 17:53:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2022-11-25 17:53:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-25 17:53:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-25 17:53:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2022-11-25 17:53:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2022-11-25 17:53:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:53:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:53:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 17:53:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 17:53:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2022-11-25 17:53:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2022-11-25 17:53:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-25 17:53:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-25 17:53:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2022-11-25 17:53:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2022-11-25 17:53:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 17:53:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 17:53:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 17:53:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 17:53:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:53:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:53:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2022-11-25 17:53:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2022-11-25 17:53:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-25 17:53:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-25 17:53:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 17:53:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 17:53:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2022-11-25 17:53:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2022-11-25 17:53:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-25 17:53:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-25 17:53:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:53:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-25 17:53:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-25 17:53:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-25 17:53:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-25 17:53:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:53:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 17:53:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 17:53:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 17:53:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 17:53:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:53:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:53:54,825 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:53:54,831 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:53:55,191 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:53:56,273 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-25 17:54:19,715 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:54:19,741 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:54:19,742 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:54:19,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:54:19 BoogieIcfgContainer [2022-11-25 17:54:19,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:54:19,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:54:19,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:54:19,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:54:19,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:53:50" (1/3) ... [2022-11-25 17:54:19,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b45d16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:54:19, skipping insertion in model container [2022-11-25 17:54:19,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:53" (2/3) ... [2022-11-25 17:54:19,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b45d16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:54:19, skipping insertion in model container [2022-11-25 17:54:19,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:54:19" (3/3) ... [2022-11-25 17:54:19,764 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:54:19,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:54:19,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:54:19,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:54:19,904 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=PETRI_NET, 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;@7f453e9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:54:19,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:54:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 836 states, 591 states have (on average 1.3485617597292725) internal successors, (797), 617 states have internal predecessors, (797), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) [2022-11-25 17:54:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 17:54:19,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:19,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 17:54:19,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:19,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:19,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1033765739, now seen corresponding path program 1 times [2022-11-25 17:54:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:19,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393117435] [2022-11-25 17:54:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:19,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:54:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:54:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:54:21,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:21,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393117435] [2022-11-25 17:54:21,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393117435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:54:21,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:54:21,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:54:21,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542074765] [2022-11-25 17:54:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:54:21,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:54:21,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:21,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:54:21,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:54:21,261 INFO L87 Difference]: Start difference. First operand has 836 states, 591 states have (on average 1.3485617597292725) internal successors, (797), 617 states have internal predecessors, (797), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:54:23,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:25,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:27,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:33,352 INFO L93 Difference]: Finished difference Result 2794 states and 4111 transitions. [2022-11-25 17:54:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:54:33,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-25 17:54:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:33,426 INFO L225 Difference]: With dead ends: 2794 [2022-11-25 17:54:33,426 INFO L226 Difference]: Without dead ends: 1941 [2022-11-25 17:54:33,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:54:33,453 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 2280 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1200 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1200 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:33,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 3057 Invalid, 2600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1200 Valid, 1397 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2022-11-25 17:54:33,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-11-25 17:54:33,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1612. [2022-11-25 17:54:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1146 states have (on average 1.3324607329842932) internal successors, (1527), 1180 states have internal predecessors, (1527), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-11-25 17:54:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2246 transitions. [2022-11-25 17:54:33,754 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2246 transitions. Word has length 28 [2022-11-25 17:54:33,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:33,755 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2246 transitions. [2022-11-25 17:54:33,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:54:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2246 transitions. [2022-11-25 17:54:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 17:54:33,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:33,759 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:54:33,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:54:33,760 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:33,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:33,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1351096241, now seen corresponding path program 1 times [2022-11-25 17:54:33,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:33,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700479731] [2022-11-25 17:54:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:33,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:54:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:54:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:54:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:34,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:34,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700479731] [2022-11-25 17:54:34,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700479731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:54:34,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:54:34,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:54:34,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556843790] [2022-11-25 17:54:34,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:54:34,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:54:34,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:34,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:54:34,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:54:34,401 INFO L87 Difference]: Start difference. First operand 1612 states and 2246 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:54:36,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:38,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:41,563 INFO L93 Difference]: Finished difference Result 1967 states and 2754 transitions. [2022-11-25 17:54:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:54:41,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-11-25 17:54:41,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:41,578 INFO L225 Difference]: With dead ends: 1967 [2022-11-25 17:54:41,578 INFO L226 Difference]: Without dead ends: 1954 [2022-11-25 17:54:41,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:54:41,582 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 1713 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 686 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:41,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1811 Valid, 2017 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 723 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-25 17:54:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-11-25 17:54:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1612. [2022-11-25 17:54:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1146 states have (on average 1.331588132635253) internal successors, (1526), 1180 states have internal predecessors, (1526), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-11-25 17:54:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2245 transitions. [2022-11-25 17:54:41,755 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2245 transitions. Word has length 38 [2022-11-25 17:54:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:41,757 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2245 transitions. [2022-11-25 17:54:41,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:54:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2245 transitions. [2022-11-25 17:54:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 17:54:41,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:41,768 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:54:41,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:54:41,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1293837939, now seen corresponding path program 1 times [2022-11-25 17:54:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:41,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896316103] [2022-11-25 17:54:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:54:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:54:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:54:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:42,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:42,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896316103] [2022-11-25 17:54:42,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896316103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:54:42,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:54:42,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:54:42,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850102243] [2022-11-25 17:54:42,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:54:42,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:54:42,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:42,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:54:42,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:54:42,827 INFO L87 Difference]: Start difference. First operand 1612 states and 2245 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:54:44,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:46,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:52,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:52,599 INFO L93 Difference]: Finished difference Result 5452 states and 7778 transitions. [2022-11-25 17:54:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:54:52,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-11-25 17:54:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:52,630 INFO L225 Difference]: With dead ends: 5452 [2022-11-25 17:54:52,630 INFO L226 Difference]: Without dead ends: 3858 [2022-11-25 17:54:52,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:54:52,645 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 2114 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 1129 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1129 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:52,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2226 Valid, 3295 Invalid, 2583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1129 Valid, 1452 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 17:54:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2022-11-25 17:54:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3195. [2022-11-25 17:54:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3195 states, 2274 states have (on average 1.3306948109058927) internal successors, (3026), 2338 states have internal predecessors, (3026), 716 states have call successors, (716), 205 states have call predecessors, (716), 204 states have return successors, (745), 699 states have call predecessors, (745), 711 states have call successors, (745) [2022-11-25 17:54:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 4487 transitions. [2022-11-25 17:54:52,936 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 4487 transitions. Word has length 38 [2022-11-25 17:54:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:52,937 INFO L495 AbstractCegarLoop]: Abstraction has 3195 states and 4487 transitions. [2022-11-25 17:54:52,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:54:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 4487 transitions. [2022-11-25 17:54:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 17:54:52,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:52,942 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:54:52,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:54:52,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1454682874, now seen corresponding path program 1 times [2022-11-25 17:54:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:52,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228800240] [2022-11-25 17:54:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:52,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:54:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:54:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:54:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:53,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:53,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228800240] [2022-11-25 17:54:53,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228800240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:54:53,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:54:53,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:54:53,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690507490] [2022-11-25 17:54:53,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:54:53,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:54:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:53,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:54:53,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:54:53,829 INFO L87 Difference]: Start difference. First operand 3195 states and 4487 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:54:55,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:54:57,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:03,738 INFO L93 Difference]: Finished difference Result 10841 states and 15816 transitions. [2022-11-25 17:55:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:55:03,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-11-25 17:55:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:55:03,800 INFO L225 Difference]: With dead ends: 10841 [2022-11-25 17:55:03,801 INFO L226 Difference]: Without dead ends: 7664 [2022-11-25 17:55:03,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:55:03,825 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 2240 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 1201 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1201 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:55:03,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 3230 Invalid, 2639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1201 Valid, 1436 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 17:55:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7664 states. [2022-11-25 17:55:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7664 to 6530. [2022-11-25 17:55:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4659 states have (on average 1.3226014166130071) internal successors, (6162), 4783 states have internal predecessors, (6162), 1440 states have call successors, (1440), 407 states have call predecessors, (1440), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-11-25 17:55:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 9285 transitions. [2022-11-25 17:55:04,459 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 9285 transitions. Word has length 39 [2022-11-25 17:55:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:55:04,461 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 9285 transitions. [2022-11-25 17:55:04,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 9285 transitions. [2022-11-25 17:55:04,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 17:55:04,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:55:04,464 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:55:04,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:55:04,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:55:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2145903696, now seen corresponding path program 1 times [2022-11-25 17:55:04,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:04,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607706634] [2022-11-25 17:55:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:04,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:55:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:55:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:55:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:55:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:04,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607706634] [2022-11-25 17:55:04,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607706634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:04,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:04,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:55:04,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968158138] [2022-11-25 17:55:04,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:04,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:55:04,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:04,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:55:04,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:55:04,983 INFO L87 Difference]: Start difference. First operand 6530 states and 9285 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:07,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:09,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:14,861 INFO L93 Difference]: Finished difference Result 7662 states and 11133 transitions. [2022-11-25 17:55:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:55:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-11-25 17:55:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:55:14,925 INFO L225 Difference]: With dead ends: 7662 [2022-11-25 17:55:14,925 INFO L226 Difference]: Without dead ends: 7659 [2022-11-25 17:55:14,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:55:14,935 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 2234 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 1190 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:55:14,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 3228 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 1433 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 17:55:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2022-11-25 17:55:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 6531. [2022-11-25 17:55:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 4660 states have (on average 1.3225321888412016) internal successors, (6163), 4784 states have internal predecessors, (6163), 1440 states have call successors, (1440), 407 states have call predecessors, (1440), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-11-25 17:55:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9286 transitions. [2022-11-25 17:55:15,721 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9286 transitions. Word has length 40 [2022-11-25 17:55:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:55:15,721 INFO L495 AbstractCegarLoop]: Abstraction has 6531 states and 9286 transitions. [2022-11-25 17:55:15,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9286 transitions. [2022-11-25 17:55:15,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 17:55:15,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:55:15,724 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:55:15,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:55:15,725 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:55:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:15,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2098907831, now seen corresponding path program 1 times [2022-11-25 17:55:15,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:15,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560798154] [2022-11-25 17:55:15,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:15,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:55:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:55:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:55:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:55:16,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:16,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560798154] [2022-11-25 17:55:16,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560798154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:16,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:16,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:55:16,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663804502] [2022-11-25 17:55:16,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:16,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:55:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:16,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:55:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:55:16,131 INFO L87 Difference]: Start difference. First operand 6531 states and 9286 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:18,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:20,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:23,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:23,104 INFO L93 Difference]: Finished difference Result 7658 states and 11129 transitions. [2022-11-25 17:55:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:55:23,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2022-11-25 17:55:23,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:55:23,160 INFO L225 Difference]: With dead ends: 7658 [2022-11-25 17:55:23,161 INFO L226 Difference]: Without dead ends: 7655 [2022-11-25 17:55:23,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:55:23,169 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 1684 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 680 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:55:23,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 1968 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 715 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 17:55:23,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2022-11-25 17:55:23,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 6530. [2022-11-25 17:55:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4660 states have (on average 1.3223175965665237) internal successors, (6162), 4783 states have internal predecessors, (6162), 1439 states have call successors, (1439), 407 states have call predecessors, (1439), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-11-25 17:55:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 9284 transitions. [2022-11-25 17:55:23,985 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 9284 transitions. Word has length 41 [2022-11-25 17:55:23,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:55:23,988 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 9284 transitions. [2022-11-25 17:55:23,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 9284 transitions. [2022-11-25 17:55:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 17:55:23,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:55:23,992 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:55:23,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:55:23,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:55:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:23,993 INFO L85 PathProgramCache]: Analyzing trace with hash -642031149, now seen corresponding path program 1 times [2022-11-25 17:55:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:23,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397379518] [2022-11-25 17:55:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:55:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:55:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:55:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:55:24,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:24,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397379518] [2022-11-25 17:55:24,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397379518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:24,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:24,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:55:24,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010894723] [2022-11-25 17:55:24,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:24,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:55:24,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:24,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:55:24,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:55:24,382 INFO L87 Difference]: Start difference. First operand 6530 states and 9284 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:26,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:28,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:31,338 INFO L93 Difference]: Finished difference Result 7657 states and 11127 transitions. [2022-11-25 17:55:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:55:31,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-25 17:55:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:55:31,387 INFO L225 Difference]: With dead ends: 7657 [2022-11-25 17:55:31,388 INFO L226 Difference]: Without dead ends: 7645 [2022-11-25 17:55:31,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:55:31,395 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 1681 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 676 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:55:31,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 1966 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 712 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 17:55:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-11-25 17:55:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 6520. [2022-11-25 17:55:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6520 states, 4651 states have (on average 1.3220812728445495) internal successors, (6149), 4773 states have internal predecessors, (6149), 1438 states have call successors, (1438), 407 states have call predecessors, (1438), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-11-25 17:55:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6520 states to 6520 states and 9270 transitions. [2022-11-25 17:55:32,147 INFO L78 Accepts]: Start accepts. Automaton has 6520 states and 9270 transitions. Word has length 42 [2022-11-25 17:55:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:55:32,147 INFO L495 AbstractCegarLoop]: Abstraction has 6520 states and 9270 transitions. [2022-11-25 17:55:32,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:55:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6520 states and 9270 transitions. [2022-11-25 17:55:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-25 17:55:32,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:55:32,160 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:32,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:55:32,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:55:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1173546303, now seen corresponding path program 1 times [2022-11-25 17:55:32,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:32,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799815457] [2022-11-25 17:55:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:32,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:55:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:55:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:55:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:55:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:55:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:55:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:55:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 17:55:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:55:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:55:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:55:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:55:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:33,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 17:55:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:55:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 17:55:33,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:33,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799815457] [2022-11-25 17:55:33,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799815457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:33,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:33,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:55:33,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5466757] [2022-11-25 17:55:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:33,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:55:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:33,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:55:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:55:33,054 INFO L87 Difference]: Start difference. First operand 6520 states and 9270 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:55:35,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:37,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:39,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:45,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:45,512 INFO L93 Difference]: Finished difference Result 16735 states and 24716 transitions. [2022-11-25 17:55:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 17:55:45,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2022-11-25 17:55:45,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:55:45,577 INFO L225 Difference]: With dead ends: 16735 [2022-11-25 17:55:45,578 INFO L226 Difference]: Without dead ends: 10233 [2022-11-25 17:55:45,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:55:45,616 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 1943 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 1150 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 2617 SdHoareTripleChecker+Invalid, 3401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:55:45,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 2617 Invalid, 3401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 2248 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2022-11-25 17:55:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10233 states. [2022-11-25 17:55:46,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10233 to 7386. [2022-11-25 17:55:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5286 states have (on average 1.3032538781687477) internal successors, (6889), 5428 states have internal predecessors, (6889), 1564 states have call successors, (1564), 408 states have call predecessors, (1564), 535 states have return successors, (2125), 1657 states have call predecessors, (2125), 1561 states have call successors, (2125) [2022-11-25 17:55:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 10578 transitions. [2022-11-25 17:55:46,752 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 10578 transitions. Word has length 146 [2022-11-25 17:55:46,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:55:46,752 INFO L495 AbstractCegarLoop]: Abstraction has 7386 states and 10578 transitions. [2022-11-25 17:55:46,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:55:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 10578 transitions. [2022-11-25 17:55:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-25 17:55:46,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:55:46,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:46,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:55:46,763 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:55:46,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1421419420, now seen corresponding path program 1 times [2022-11-25 17:55:46,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:46,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118379012] [2022-11-25 17:55:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:55:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:55:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:55:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:55:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:55:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:55:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:55:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:55:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-25 17:55:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:55:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:55:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:55:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:55:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:55:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 17:55:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 17:55:47,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:47,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118379012] [2022-11-25 17:55:47,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118379012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:47,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:47,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:55:47,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24290952] [2022-11-25 17:55:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:47,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:55:47,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:47,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:55:47,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:55:47,781 INFO L87 Difference]: Start difference. First operand 7386 states and 10578 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 17:55:49,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:51,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:53,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:55,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:57,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:55:59,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:01,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:08,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:56:08,955 INFO L93 Difference]: Finished difference Result 18033 states and 26572 transitions. [2022-11-25 17:56:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:56:08,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 155 [2022-11-25 17:56:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:56:09,021 INFO L225 Difference]: With dead ends: 18033 [2022-11-25 17:56:09,021 INFO L226 Difference]: Without dead ends: 10669 [2022-11-25 17:56:09,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:56:09,054 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 1773 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 841 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 3255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:56:09,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 2602 Invalid, 3255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 2407 Invalid, 7 Unknown, 0 Unchecked, 19.6s Time] [2022-11-25 17:56:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10669 states. [2022-11-25 17:56:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10669 to 7758. [2022-11-25 17:56:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7758 states, 5610 states have (on average 1.3019607843137255) internal successors, (7304), 5752 states have internal predecessors, (7304), 1580 states have call successors, (1580), 440 states have call predecessors, (1580), 567 states have return successors, (2117), 1673 states have call predecessors, (2117), 1577 states have call successors, (2117) [2022-11-25 17:56:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7758 states to 7758 states and 11001 transitions. [2022-11-25 17:56:09,944 INFO L78 Accepts]: Start accepts. Automaton has 7758 states and 11001 transitions. Word has length 155 [2022-11-25 17:56:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:56:09,945 INFO L495 AbstractCegarLoop]: Abstraction has 7758 states and 11001 transitions. [2022-11-25 17:56:09,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 17:56:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 7758 states and 11001 transitions. [2022-11-25 17:56:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 17:56:09,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:56:09,954 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:09,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:56:09,954 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:56:09,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:56:09,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1053597938, now seen corresponding path program 1 times [2022-11-25 17:56:09,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:56:09,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449752588] [2022-11-25 17:56:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:56:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:56:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:56:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:56:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:56:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:56:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:56:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:56:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:56:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:56:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:56:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:56:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:56:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:56:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:56:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:56:10,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:56:10,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449752588] [2022-11-25 17:56:10,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449752588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:56:10,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:56:10,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:56:10,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423742710] [2022-11-25 17:56:10,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:56:10,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:56:10,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:56:10,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:56:10,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:56:10,886 INFO L87 Difference]: Start difference. First operand 7758 states and 11001 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:56:12,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:14,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:16,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:18,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:56:25,882 INFO L93 Difference]: Finished difference Result 20593 states and 30578 transitions. [2022-11-25 17:56:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:56:25,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 156 [2022-11-25 17:56:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:56:25,955 INFO L225 Difference]: With dead ends: 20593 [2022-11-25 17:56:25,955 INFO L226 Difference]: Without dead ends: 12857 [2022-11-25 17:56:25,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:56:25,990 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 1613 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 1106 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1106 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:56:25,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 3300 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1106 Valid, 2165 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-11-25 17:56:26,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2022-11-25 17:56:27,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 7852. [2022-11-25 17:56:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7852 states, 5650 states have (on average 1.305132743362832) internal successors, (7374), 5792 states have internal predecessors, (7374), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 539 states have return successors, (1963), 1735 states have call predecessors, (1963), 1659 states have call successors, (1963) [2022-11-25 17:56:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 10999 transitions. [2022-11-25 17:56:27,438 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 10999 transitions. Word has length 156 [2022-11-25 17:56:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:56:27,439 INFO L495 AbstractCegarLoop]: Abstraction has 7852 states and 10999 transitions. [2022-11-25 17:56:27,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:56:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 10999 transitions. [2022-11-25 17:56:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-25 17:56:27,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:56:27,448 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:27,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:56:27,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:56:27,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:56:27,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1828485427, now seen corresponding path program 1 times [2022-11-25 17:56:27,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:56:27,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215162535] [2022-11-25 17:56:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:56:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:56:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:56:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:56:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:56:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:56:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:56:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:56:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:56:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:56:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:56:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:56:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:56:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:56:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:56:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:56:28,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:56:28,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215162535] [2022-11-25 17:56:28,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215162535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:56:28,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:56:28,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:56:28,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785962326] [2022-11-25 17:56:28,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:56:28,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:56:28,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:56:28,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:56:28,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:56:28,621 INFO L87 Difference]: Start difference. First operand 7852 states and 10999 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:56:30,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:32,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:34,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:43,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:56:43,494 INFO L93 Difference]: Finished difference Result 21907 states and 32662 transitions. [2022-11-25 17:56:43,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:56:43,494 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 158 [2022-11-25 17:56:43,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:56:43,576 INFO L225 Difference]: With dead ends: 21907 [2022-11-25 17:56:43,577 INFO L226 Difference]: Without dead ends: 14077 [2022-11-25 17:56:43,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:56:43,608 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 1763 mSDsluCounter, 5768 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 1126 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 6726 SdHoareTripleChecker+Invalid, 4974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:56:43,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 6726 Invalid, 4974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 3845 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2022-11-25 17:56:43,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14077 states. [2022-11-25 17:56:44,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14077 to 7884. [2022-11-25 17:56:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7884 states, 5674 states have (on average 1.3038420867113147) internal successors, (7398), 5816 states have internal predecessors, (7398), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-11-25 17:56:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7884 states to 7884 states and 11031 transitions. [2022-11-25 17:56:44,965 INFO L78 Accepts]: Start accepts. Automaton has 7884 states and 11031 transitions. Word has length 158 [2022-11-25 17:56:44,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:56:44,965 INFO L495 AbstractCegarLoop]: Abstraction has 7884 states and 11031 transitions. [2022-11-25 17:56:44,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:56:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 7884 states and 11031 transitions. [2022-11-25 17:56:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-25 17:56:44,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:56:44,974 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:44,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:56:44,975 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:56:44,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:56:44,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1903976846, now seen corresponding path program 1 times [2022-11-25 17:56:44,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:56:44,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889537649] [2022-11-25 17:56:44,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:56:44,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:56:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:56:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:56:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:56:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:56:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:56:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:56:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:56:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:56:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:56:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:56:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:56:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:56:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:56:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:56:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:56:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:56:45,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:56:45,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889537649] [2022-11-25 17:56:45,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889537649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:56:45,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242624663] [2022-11-25 17:56:45,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:56:45,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:56:45,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:56:45,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:56:45,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:56:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:56:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:56:47,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:56:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:56:47,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:56:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:56:47,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242624663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:56:47,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:56:47,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 9 [2022-11-25 17:56:47,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517671187] [2022-11-25 17:56:47,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:56:47,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:56:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:56:47,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:56:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:56:47,581 INFO L87 Difference]: Start difference. First operand 7884 states and 11031 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:56:49,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:56:53,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:01,754 INFO L93 Difference]: Finished difference Result 20787 states and 30660 transitions. [2022-11-25 17:57:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:57:01,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 159 [2022-11-25 17:57:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:01,824 INFO L225 Difference]: With dead ends: 20787 [2022-11-25 17:57:01,825 INFO L226 Difference]: Without dead ends: 12925 [2022-11-25 17:57:01,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:57:01,854 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 1926 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 1411 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 4342 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1411 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:01,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 4342 Invalid, 4265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1411 Valid, 2851 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-11-25 17:57:01,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2022-11-25 17:57:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7924. [2022-11-25 17:57:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7924 states, 5714 states have (on average 1.3031151557577878) internal successors, (7446), 5856 states have internal predecessors, (7446), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-11-25 17:57:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7924 states to 7924 states and 11079 transitions. [2022-11-25 17:57:03,042 INFO L78 Accepts]: Start accepts. Automaton has 7924 states and 11079 transitions. Word has length 159 [2022-11-25 17:57:03,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:03,043 INFO L495 AbstractCegarLoop]: Abstraction has 7924 states and 11079 transitions. [2022-11-25 17:57:03,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:57:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7924 states and 11079 transitions. [2022-11-25 17:57:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-25 17:57:03,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:03,052 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:03,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:03,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:03,267 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1296137521, now seen corresponding path program 1 times [2022-11-25 17:57:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:03,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056754582] [2022-11-25 17:57:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:57:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:57:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:57:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:57:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:57:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:57:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:57:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:57:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:57:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:57:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-25 17:57:04,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:04,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056754582] [2022-11-25 17:57:04,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056754582] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:04,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042198063] [2022-11-25 17:57:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:04,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:04,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:04,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:57:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:05,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:57:05,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:57:05,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:05,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042198063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:05,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:05,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-25 17:57:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461383881] [2022-11-25 17:57:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:05,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:57:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:05,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:57:05,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:57:05,854 INFO L87 Difference]: Start difference. First operand 7924 states and 11079 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:57:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:07,221 INFO L93 Difference]: Finished difference Result 17090 states and 24052 transitions. [2022-11-25 17:57:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:57:07,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2022-11-25 17:57:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:07,266 INFO L225 Difference]: With dead ends: 17090 [2022-11-25 17:57:07,267 INFO L226 Difference]: Without dead ends: 9188 [2022-11-25 17:57:07,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:57:07,297 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 160 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 7748 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:07,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 7748 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:57:07,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9188 states. [2022-11-25 17:57:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9188 to 7916. [2022-11-25 17:57:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7916 states, 5706 states have (on average 1.30354013319313) internal successors, (7438), 5848 states have internal predecessors, (7438), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-11-25 17:57:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7916 states to 7916 states and 11071 transitions. [2022-11-25 17:57:08,540 INFO L78 Accepts]: Start accepts. Automaton has 7916 states and 11071 transitions. Word has length 161 [2022-11-25 17:57:08,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:08,541 INFO L495 AbstractCegarLoop]: Abstraction has 7916 states and 11071 transitions. [2022-11-25 17:57:08,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:57:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 7916 states and 11071 transitions. [2022-11-25 17:57:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 17:57:08,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:08,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:08,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:08,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 17:57:08,764 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:08,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:08,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2040638575, now seen corresponding path program 1 times [2022-11-25 17:57:08,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:08,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146410365] [2022-11-25 17:57:08,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:08,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:57:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:57:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:57:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:57:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:57:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:57:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:57:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:57:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:57:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:57:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 17:57:09,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:09,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146410365] [2022-11-25 17:57:09,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146410365] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:09,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747787244] [2022-11-25 17:57:09,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:09,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:09,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:09,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:57:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:11,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 3601 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:57:11,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 17:57:11,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:11,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747787244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:11,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:11,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-11-25 17:57:11,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768567185] [2022-11-25 17:57:11,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:11,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:57:11,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:11,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:57:11,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:57:11,426 INFO L87 Difference]: Start difference. First operand 7916 states and 11071 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:57:13,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:15,067 INFO L93 Difference]: Finished difference Result 18440 states and 25745 transitions. [2022-11-25 17:57:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:57:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 165 [2022-11-25 17:57:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:15,111 INFO L225 Difference]: With dead ends: 18440 [2022-11-25 17:57:15,111 INFO L226 Difference]: Without dead ends: 10546 [2022-11-25 17:57:15,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:57:15,142 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 811 mSDsluCounter, 7919 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:15,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 9304 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:57:15,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10546 states. [2022-11-25 17:57:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10546 to 7940. [2022-11-25 17:57:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7940 states, 5730 states have (on average 1.30087260034904) internal successors, (7454), 5872 states have internal predecessors, (7454), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-11-25 17:57:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7940 states to 7940 states and 11087 transitions. [2022-11-25 17:57:16,362 INFO L78 Accepts]: Start accepts. Automaton has 7940 states and 11087 transitions. Word has length 165 [2022-11-25 17:57:16,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:16,363 INFO L495 AbstractCegarLoop]: Abstraction has 7940 states and 11087 transitions. [2022-11-25 17:57:16,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 17:57:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 7940 states and 11087 transitions. [2022-11-25 17:57:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 17:57:16,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:16,371 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:16,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:16,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 17:57:16,587 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash 760774897, now seen corresponding path program 1 times [2022-11-25 17:57:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:16,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562113612] [2022-11-25 17:57:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:16,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:57:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 17:57:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:57:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:57:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:57:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:57:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:57:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:57:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:57:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:57:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 17:57:18,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:18,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562113612] [2022-11-25 17:57:18,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562113612] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:18,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592277548] [2022-11-25 17:57:18,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:18,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:18,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:18,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:18,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:57:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:20,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 17:57:20,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 17:57:20,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:20,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592277548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:20,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:20,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-11-25 17:57:20,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508921942] [2022-11-25 17:57:20,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:20,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:57:20,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:20,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:57:20,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:57:20,810 INFO L87 Difference]: Start difference. First operand 7940 states and 11087 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:57:22,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:24,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:26,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:28,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:32,492 INFO L93 Difference]: Finished difference Result 16247 states and 22788 transitions. [2022-11-25 17:57:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:57:32,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2022-11-25 17:57:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:32,521 INFO L225 Difference]: With dead ends: 16247 [2022-11-25 17:57:32,521 INFO L226 Difference]: Without dead ends: 8329 [2022-11-25 17:57:32,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:57:32,546 INFO L413 NwaCegarLoop]: 1548 mSDtfsCounter, 1259 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 5864 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:32,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 5864 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1622 Invalid, 4 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 17:57:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8329 states. [2022-11-25 17:57:33,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8329 to 7960. [2022-11-25 17:57:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7960 states, 5746 states have (on average 1.3000348068221372) internal successors, (7470), 5888 states have internal predecessors, (7470), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 551 states have return successors, (1979), 1747 states have call predecessors, (1979), 1659 states have call successors, (1979) [2022-11-25 17:57:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7960 states to 7960 states and 11111 transitions. [2022-11-25 17:57:33,689 INFO L78 Accepts]: Start accepts. Automaton has 7960 states and 11111 transitions. Word has length 165 [2022-11-25 17:57:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:33,690 INFO L495 AbstractCegarLoop]: Abstraction has 7960 states and 11111 transitions. [2022-11-25 17:57:33,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:57:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7960 states and 11111 transitions. [2022-11-25 17:57:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-25 17:57:33,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:33,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:33,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:33,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 17:57:33,913 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:33,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 578666294, now seen corresponding path program 1 times [2022-11-25 17:57:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:33,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258928055] [2022-11-25 17:57:33,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:33,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:57:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:57:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:57:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:57:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:57:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:57:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:57:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:57:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:57:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 17:57:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 17:57:35,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:35,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258928055] [2022-11-25 17:57:35,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258928055] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:35,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621165000] [2022-11-25 17:57:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:35,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:35,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:35,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:57:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:37,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 3622 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:57:37,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-25 17:57:37,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:37,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621165000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:37,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:37,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-25 17:57:37,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136640327] [2022-11-25 17:57:37,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:37,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:57:37,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:57:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:57:37,228 INFO L87 Difference]: Start difference. First operand 7960 states and 11111 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:57:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:38,404 INFO L93 Difference]: Finished difference Result 17026 states and 23924 transitions. [2022-11-25 17:57:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:57:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2022-11-25 17:57:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:38,443 INFO L225 Difference]: With dead ends: 17026 [2022-11-25 17:57:38,443 INFO L226 Difference]: Without dead ends: 9088 [2022-11-25 17:57:38,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:57:38,471 INFO L413 NwaCegarLoop]: 1224 mSDtfsCounter, 134 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:38,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2365 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:57:38,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9088 states. [2022-11-25 17:57:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9088 to 8136. [2022-11-25 17:57:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8136 states, 5922 states have (on average 1.304626815265113) internal successors, (7726), 6064 states have internal predecessors, (7726), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 551 states have return successors, (1979), 1747 states have call predecessors, (1979), 1659 states have call successors, (1979) [2022-11-25 17:57:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8136 states to 8136 states and 11367 transitions. [2022-11-25 17:57:39,554 INFO L78 Accepts]: Start accepts. Automaton has 8136 states and 11367 transitions. Word has length 171 [2022-11-25 17:57:39,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:39,554 INFO L495 AbstractCegarLoop]: Abstraction has 8136 states and 11367 transitions. [2022-11-25 17:57:39,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:57:39,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8136 states and 11367 transitions. [2022-11-25 17:57:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 17:57:39,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:39,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:39,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:39,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 17:57:39,777 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1301657950, now seen corresponding path program 1 times [2022-11-25 17:57:39,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:39,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005179755] [2022-11-25 17:57:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:57:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:57:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:57:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:57:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:57:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:57:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:57:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:57:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:57:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 17:57:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 17:57:41,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:41,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005179755] [2022-11-25 17:57:41,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005179755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:41,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447146093] [2022-11-25 17:57:41,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:41,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:41,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:41,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:57:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:43,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 3686 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 17:57:43,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 17:57:43,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:43,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447146093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:43,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:43,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-11-25 17:57:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009285712] [2022-11-25 17:57:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:43,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:57:43,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:43,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:57:43,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:57:43,520 INFO L87 Difference]: Start difference. First operand 8136 states and 11367 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:57:45,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:47,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:49,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:57:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:57:52,753 INFO L93 Difference]: Finished difference Result 16280 states and 23060 transitions. [2022-11-25 17:57:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:57:52,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-11-25 17:57:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:57:52,798 INFO L225 Difference]: With dead ends: 16280 [2022-11-25 17:57:52,798 INFO L226 Difference]: Without dead ends: 8150 [2022-11-25 17:57:52,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:57:52,832 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1104 mSDsluCounter, 4367 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 5829 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:57:52,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 5829 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1181 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-11-25 17:57:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8150 states. [2022-11-25 17:57:54,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8150 to 8144. [2022-11-25 17:57:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8144 states, 5926 states have (on average 1.304421194735066) internal successors, (7730), 6072 states have internal predecessors, (7730), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 555 states have return successors, (2007), 1747 states have call predecessors, (2007), 1659 states have call successors, (2007) [2022-11-25 17:57:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8144 states to 8144 states and 11399 transitions. [2022-11-25 17:57:54,123 INFO L78 Accepts]: Start accepts. Automaton has 8144 states and 11399 transitions. Word has length 175 [2022-11-25 17:57:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:57:54,123 INFO L495 AbstractCegarLoop]: Abstraction has 8144 states and 11399 transitions. [2022-11-25 17:57:54,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:57:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8144 states and 11399 transitions. [2022-11-25 17:57:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 17:57:54,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:57:54,132 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:54,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:54,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 17:57:54,360 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:57:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 335036230, now seen corresponding path program 1 times [2022-11-25 17:57:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:54,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522652446] [2022-11-25 17:57:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:57:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:57:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:57:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:57:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:57:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:57:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:57:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:57:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:57:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:57:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 17:57:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:57:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 17:57:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 17:57:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 17:57:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:57:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-25 17:57:55,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:57:55,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522652446] [2022-11-25 17:57:55,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522652446] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:57:55,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091947292] [2022-11-25 17:57:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:55,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:57:55,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:55,262 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:57:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:57:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:57:56,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 3848 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:57:56,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:57:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:57:57,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:57:57,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091947292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:57:57,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:57:57,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-25 17:57:57,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476260585] [2022-11-25 17:57:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:57:57,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:57:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:57:57,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:57:57,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:57:57,285 INFO L87 Difference]: Start difference. First operand 8144 states and 11399 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:57:59,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:00,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:58:00,617 INFO L93 Difference]: Finished difference Result 9803 states and 13510 transitions. [2022-11-25 17:58:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:58:00,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 197 [2022-11-25 17:58:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:58:00,657 INFO L225 Difference]: With dead ends: 9803 [2022-11-25 17:58:00,657 INFO L226 Difference]: Without dead ends: 9781 [2022-11-25 17:58:00,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:58:00,664 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1229 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:58:00,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:58:00,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2022-11-25 17:58:01,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9768. [2022-11-25 17:58:01,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9768 states, 7314 states have (on average 1.2981952420016407) internal successors, (9495), 7464 states have internal predecessors, (9495), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-11-25 17:58:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9768 states to 9768 states and 13464 transitions. [2022-11-25 17:58:01,802 INFO L78 Accepts]: Start accepts. Automaton has 9768 states and 13464 transitions. Word has length 197 [2022-11-25 17:58:01,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:58:01,803 INFO L495 AbstractCegarLoop]: Abstraction has 9768 states and 13464 transitions. [2022-11-25 17:58:01,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:58:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 9768 states and 13464 transitions. [2022-11-25 17:58:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 17:58:01,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:58:01,812 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:01,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:58:02,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:58:02,025 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:58:02,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:58:02,025 INFO L85 PathProgramCache]: Analyzing trace with hash -944827448, now seen corresponding path program 1 times [2022-11-25 17:58:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:58:02,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457466603] [2022-11-25 17:58:02,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:58:02,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:58:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:58:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:58:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:58:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:58:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:58:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:58:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:58:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:58:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:58:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:58:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:58:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 17:58:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:58:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 17:58:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 17:58:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 17:58:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 17:58:03,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:58:03,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457466603] [2022-11-25 17:58:03,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457466603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:58:03,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:58:03,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:58:03,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031797632] [2022-11-25 17:58:03,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:58:03,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:58:03,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:58:03,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:58:03,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:58:03,512 INFO L87 Difference]: Start difference. First operand 9768 states and 13464 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:58:05,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:07,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:09,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:11,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:58:19,756 INFO L93 Difference]: Finished difference Result 24072 states and 34607 transitions. [2022-11-25 17:58:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:58:19,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 197 [2022-11-25 17:58:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:58:19,804 INFO L225 Difference]: With dead ends: 24072 [2022-11-25 17:58:19,804 INFO L226 Difference]: Without dead ends: 14323 [2022-11-25 17:58:19,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:58:19,828 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 1586 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 2712 mSolverCounterSat, 1130 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 3995 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1130 IncrementalHoareTripleChecker+Valid, 2712 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:58:19,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 3995 Invalid, 3846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1130 Valid, 2712 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2022-11-25 17:58:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14323 states. [2022-11-25 17:58:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14323 to 9769. [2022-11-25 17:58:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 7315 states have (on average 1.2981544771018456) internal successors, (9496), 7465 states have internal predecessors, (9496), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-11-25 17:58:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 13465 transitions. [2022-11-25 17:58:21,313 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 13465 transitions. Word has length 197 [2022-11-25 17:58:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:58:21,314 INFO L495 AbstractCegarLoop]: Abstraction has 9769 states and 13465 transitions. [2022-11-25 17:58:21,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:58:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 13465 transitions. [2022-11-25 17:58:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-25 17:58:21,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:58:21,323 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:21,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 17:58:21,324 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:58:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:58:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash 49572453, now seen corresponding path program 1 times [2022-11-25 17:58:21,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:58:21,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984037135] [2022-11-25 17:58:21,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:58:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:58:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:58:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:58:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:58:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:58:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 17:58:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:58:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:58:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:58:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 17:58:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:58:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 17:58:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 17:58:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:58:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 17:58:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-25 17:58:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-25 17:58:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:58:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 17:58:23,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:58:23,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984037135] [2022-11-25 17:58:23,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984037135] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:58:23,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397559104] [2022-11-25 17:58:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:58:23,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:58:23,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:58:23,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:58:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:58:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:58:25,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 3858 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 17:58:25,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:58:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-25 17:58:26,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:58:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 17:58:26,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397559104] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:58:26,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:58:26,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-25 17:58:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691709921] [2022-11-25 17:58:26,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:58:26,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 17:58:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:58:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 17:58:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:58:26,388 INFO L87 Difference]: Start difference. First operand 9769 states and 13465 transitions. Second operand has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 17:58:28,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:30,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:32,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:58:42,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:58:42,265 INFO L93 Difference]: Finished difference Result 24077 states and 34614 transitions. [2022-11-25 17:58:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 17:58:42,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 198 [2022-11-25 17:58:42,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:58:42,328 INFO L225 Difference]: With dead ends: 24077 [2022-11-25 17:58:42,328 INFO L226 Difference]: Without dead ends: 14326 [2022-11-25 17:58:42,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:58:42,350 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 1591 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 3259 mSolverCounterSat, 1124 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 4759 SdHoareTripleChecker+Invalid, 4386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1124 IncrementalHoareTripleChecker+Valid, 3259 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:58:42,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 4759 Invalid, 4386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1124 Valid, 3259 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2022-11-25 17:58:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14326 states. [2022-11-25 17:58:43,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14326 to 9772. [2022-11-25 17:58:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9772 states, 7318 states have (on average 1.2980322492484286) internal successors, (9499), 7468 states have internal predecessors, (9499), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-11-25 17:58:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9772 states to 9772 states and 13468 transitions. [2022-11-25 17:58:43,723 INFO L78 Accepts]: Start accepts. Automaton has 9772 states and 13468 transitions. Word has length 198 [2022-11-25 17:58:43,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:58:43,723 INFO L495 AbstractCegarLoop]: Abstraction has 9772 states and 13468 transitions. [2022-11-25 17:58:43,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 17:58:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 9772 states and 13468 transitions. [2022-11-25 17:58:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 17:58:43,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:58:43,730 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:43,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:58:43,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:58:43,931 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:58:43,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:58:43,932 INFO L85 PathProgramCache]: Analyzing trace with hash 429806344, now seen corresponding path program 2 times [2022-11-25 17:58:43,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:58:43,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403451805] [2022-11-25 17:58:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:58:43,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:58:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:58:45,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:58:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:58:47,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:58:47,003 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:58:47,004 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:58:47,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 17:58:47,011 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:58:47,016 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:58:47,082 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 17:58:47,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:58:47 BoogieIcfgContainer [2022-11-25 17:58:47,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:58:47,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:58:47,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:58:47,406 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:58:47,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:54:19" (3/4) ... [2022-11-25 17:58:47,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:58:47,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:58:47,411 INFO L158 Benchmark]: Toolchain (without parser) took 296952.01ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 123.9MB in the beginning and 1.0GB in the end (delta: -890.5MB). Peak memory consumption was 997.9MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,411 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:58:47,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2935.01ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 123.9MB in the beginning and 166.3MB in the end (delta: -42.4MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 245.22ms. Allocated memory is still 234.9MB. Free memory was 166.3MB in the beginning and 147.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,420 INFO L158 Benchmark]: Boogie Preprocessor took 236.45ms. Allocated memory is still 234.9MB. Free memory was 147.4MB in the beginning and 127.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,420 INFO L158 Benchmark]: RCFGBuilder took 25864.58ms. Allocated memory was 234.9MB in the beginning and 987.8MB in the end (delta: 752.9MB). Free memory was 127.5MB in the beginning and 848.9MB in the end (delta: -721.4MB). Peak memory consumption was 573.6MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,421 INFO L158 Benchmark]: TraceAbstraction took 267651.72ms. Allocated memory was 987.8MB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 848.9MB in the beginning and 1.0GB in the end (delta: -165.5MB). Peak memory consumption was 903.0MB. Max. memory is 16.1GB. [2022-11-25 17:58:47,421 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 2.1GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:58:47,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2935.01ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 123.9MB in the beginning and 166.3MB in the end (delta: -42.4MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 245.22ms. Allocated memory is still 234.9MB. Free memory was 166.3MB in the beginning and 147.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.45ms. Allocated memory is still 234.9MB. Free memory was 147.4MB in the beginning and 127.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 25864.58ms. Allocated memory was 234.9MB in the beginning and 987.8MB in the end (delta: 752.9MB). Free memory was 127.5MB in the beginning and 848.9MB in the end (delta: -721.4MB). Peak memory consumption was 573.6MB. Max. memory is 16.1GB. * TraceAbstraction took 267651.72ms. Allocated memory was 987.8MB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 848.9MB in the beginning and 1.0GB in the end (delta: -165.5MB). Peak memory consumption was 903.0MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 2.1GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6294]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6616. Possible FailurePath: [L6317] struct usb_interface *p54u_driver_group1 ; [L6318] int LDV_IN_INTERRUPT = 1; [L6319] int ref_cnt ; [L6320] int ldv_state_variable_1 ; [L6321] int usb_counter ; [L6322] int ldv_state_variable_0 ; [L6425-L6614] static struct usb_device_id p54u_table[64U] = { {3U, 1041U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1118U, 194U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1286U, 2577U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1653U, 1328U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1721U, 288U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1799U, 60934U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1962U, 28U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 17665U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 17666U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 21761U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2118U, 16896U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2118U, 16912U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2118U, 16928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2474U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3064U, 4103U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3294U, 6U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3504U, 26662U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4219U, 22002U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4682U, 16419U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5173U, 528U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5545U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5680U, 5U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6189U, 2411U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6421U, 8756U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6421U, 8757U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8193U, 14081U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8193U, 14083U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8193U, 14178U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 20545U, 8756U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 20545U, 8757U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1137U, 4656U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1293U, 28752U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1394U, 8192U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1394U, 8194U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1705U, 14U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1721U, 289U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1799U, 60947U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2051U, 17168U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 17697U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 17713U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 50433U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2106U, 62723U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2118U, 16960U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2325U, 8192U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2325U, 8194U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2991U, 280U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3064U, 4105U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3294U, 8U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3294U, 21U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3470U, 14178U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4682U, 16421U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4704U, 60962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5041U, 10U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5041U, 12U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5139U, 21504U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5173U, 1063U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5736U, 4176U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5952U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8193U, 14084U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8193U, 14085U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 21779U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33026U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33028U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6615] struct usb_device_id const __mod_usb_device_table ; [L6616-L6619] static struct __anonstruct_p54u_fwlist_297 const p54u_fwlist[3U] = { {1280129078U, 1, "isl3886usb", {'I', 'S', 'L', '3', '8', '8', '6', ' ', '+', ' ', 'n', 'e', 't', '2', '2', '8', '0', '\000'}}, {1280129079U, 2, "isl3887usb", {'I', 'S', 'L', '3', '8', '8', '7', '\000'}}}; [L7035-L7036] static char const p54u_romboot_3887[5U] = { '~', '~', '~', '~', '\000'}; [L7061] static char const p54u_firmware_upload_3887[3U] = { '<', '\r', '\000'}; [L8068-L8074] static struct usb_driver p54u_driver = {"p54usb", & p54u_probe, & p54u_disconnect, 0, & p54u_suspend, & p54u_resume, & p54u_resume, & p54u_pre_reset, & p54u_post_reset, (struct usb_device_id const *)(& p54u_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, 1U}; [L8090] int ldv_retval_0 ; [L8091] int ldv_retval_4 ; [L8092] int ldv_retval_1 ; [L8095] int ldv_retval_3 ; [L8096] int ldv_retval_2 ; [L8436] int INTERF_STATE = 0; [L8437] int SERIAL_STATE = 0; [L8438] void *usb_intfdata = 0; [L8439] struct urb *usb_urb = 0; [L8440] struct usb_device *usb_dev = 0; [L8441] int dev_counter = 0; [L8442] int completeFnIntCounter = 0; [L8443] int completeFnBulkCounter = 0; [L8444] void (*completeFnInt)(struct urb * ) ; [L8445] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8108] struct usb_device_id *ldvarg1 ; [L8109] void *tmp ; [L8110] pm_message_t ldvarg0 ; [L8111] int tmp___0 ; [L8112] int tmp___1 ; [L8113] int tmp___2 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6259] void *p ; [L6260] void *tmp ; [L6261] int tmp___0 ; [L6263] tmp___0 = __VERIFIER_nondet_int() [L6264] COND TRUE tmp___0 != 0 [L6265] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ldvarg0={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] tmp = ldv_zalloc(32UL) [L8116] ldvarg1 = (struct usb_device_id *)tmp [L8117] FCALL ldv_initialize() [L8118] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8119] ldv_state_variable_1 = 0 [L8120] ref_cnt = 0 [L8121] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] case 0: [L8191] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8192] COND TRUE ldv_state_variable_0 != 0 [L8193] tmp___2 = __VERIFIER_nondet_int() [L8195] case 0: [L8203] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8204] COND TRUE ldv_state_variable_0 == 1 [L8205] CALL, EXPR p54u_driver_init() [L8077] int tmp ; [L8079] CALL, EXPR ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8408] ldv_func_ret_type ldv_func_res ; [L8409] int tmp ; [L8411] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8821] return __VERIFIER_nondet_int(); [L8411] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8411] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8412] ldv_func_res = tmp [L8413] ldv_state_variable_1 = 1 [L8414] usb_counter = 0 [L8415] CALL ldv_usb_driver_1() [L8099] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6259] void *p ; [L6260] void *tmp ; [L6261] int tmp___0 ; [L6263] tmp___0 = __VERIFIER_nondet_int() [L6264] COND TRUE tmp___0 != 0 [L6265] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] tmp = ldv_zalloc(1520UL) [L8102] p54u_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8415] RET ldv_usb_driver_1() [L8416] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={35:0}, ldv_func_arg1={35:0}, ldv_func_arg2={4294967380:4294967301}, ldv_func_arg2={4294967380:4294967301}, ldv_func_arg3={30:0}, ldv_func_arg3={30:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8079] RET, EXPR ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8079] tmp = ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8080] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8205] RET, EXPR p54u_driver_init() [L8205] ldv_retval_4 = p54u_driver_init() [L8206] COND TRUE ldv_retval_4 == 0 [L8207] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8210] COND FALSE !(ldv_retval_4 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8126] COND TRUE ldv_state_variable_1 != 0 [L8127] tmp___1 = __VERIFIER_nondet_int() [L8129] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8130] COND TRUE ldv_state_variable_1 == 1 [L8131] CALL, EXPR p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L7898] struct usb_device *udev ; [L7899] struct usb_device *tmp ; [L7900] struct ieee80211_hw *dev ; [L7901] struct p54u_priv *priv ; [L7902] int err ; [L7903] unsigned int i ; [L7904] unsigned int recognized_pipes ; [L7905] unsigned int tmp___0 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] CALL, EXPR interface_to_usbdev(intf) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8237] struct usb_device *tmp ; [L8239] CALL, EXPR ldv_interface_to_usbdev() [L8549] void *result ; [L8550] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={49:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] tmp = ldv_malloc(sizeof(struct usb_device)) [L8553] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8554] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8558] return (result); VAL [={0:0}, ={0:0}, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8239] RET, EXPR ldv_interface_to_usbdev() [L8239] tmp = ldv_interface_to_usbdev() [L8240] return (tmp); VAL [={0:0}, ={0:0}, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] RET, EXPR interface_to_usbdev(intf) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, id={0:0}, id={0:0}, INTERF_STATE=0, interface_to_usbdev(intf)={49:0}, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] tmp = interface_to_usbdev(intf) [L7908] udev = tmp [L7909] CALL, EXPR p54_init_common(4592UL) [L8747] CALL, EXPR ldv_malloc(sizeof(struct ieee80211_hw)) VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=122, \result={-36893488147419103231:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8747] RET, EXPR ldv_malloc(sizeof(struct ieee80211_hw)) VAL [={0:0}, ={0:0}, \old(arg0)=4592, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, arg0=4592, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct ieee80211_hw))={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8747] return ldv_malloc(sizeof(struct ieee80211_hw)); [L7909] RET, EXPR p54_init_common(4592UL) [L7909] dev = p54_init_common(4592UL) [L7910] COND FALSE !((unsigned long )dev == (unsigned long )((struct ieee80211_hw *)0)) [L7915] EXPR dev->priv [L7915] priv = (struct p54u_priv *)dev->priv [L7916] priv->hw_type = 0 [L7917] CALL SET_IEEE80211_DEV(dev, & intf->dev) [L6412] EXPR hw->wiphy [L6412] CALL set_wiphy_dev(hw->wiphy, dev) [L6405] wiphy->dev.parent = dev VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:44}, dev={0:44}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, wiphy={32:-222}, wiphy={32:-222}] [L6412] RET set_wiphy_dev(hw->wiphy, dev) [L7917] RET SET_IEEE80211_DEV(dev, & intf->dev) [L7918] CALL ldv_usb_set_intfdata_23(intf, (void *)dev) [L8386] CALL ldv_usb_set_intfdata(data) [L8455] usb_intfdata = data VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103231:0}, data={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8386] RET ldv_usb_set_intfdata(data) [L7918] RET ldv_usb_set_intfdata_23(intf, (void *)dev) [L7919] priv->udev = udev [L7920] priv->intf = intf [L7921] CALL skb_queue_head_init(& priv->rx_queue) [L6348] struct lock_class_key __key ; VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6350] CALL spinlock_check(& list->lock) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, lock={-36893488147419103231:154}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6098] return (& lock->ldv_7686.rlock); VAL [={0:0}, ={0:0}, \result={-36893488147419103231:154}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, lock={-36893488147419103231:154}, lock={-36893488147419103231:154}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6350] RET spinlock_check(& list->lock) VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, spinlock_check(& list->lock)={-36893488147419103231:154}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6351] FCALL __raw_spin_lock_init(& list->lock.ldv_7686.rlock, "&(&list->lock)->rlock", & __key) VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6352] CALL __skb_queue_head_init(list) [L6337] struct sk_buff *tmp ; [L6339] tmp = (struct sk_buff *)list [L6340] list->next = tmp [L6341] list->prev = tmp [L6342] list->qlen = 0U VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-36893488147419103231:134}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6352] RET __skb_queue_head_init(list) [L6353] return; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7921] RET skb_queue_head_init(& priv->rx_queue) [L7922] CALL init_usb_anchor(& priv->submitted) [L6155] struct lock_class_key __key ; [L6156] struct lock_class_key __key___0 ; [L6158] CALL INIT_LIST_HEAD(& anchor->urb_list) [L6089] list->next = list [L6090] list->prev = list VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, list={-36893488147419103231:222}, list={-36893488147419103231:222}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6158] RET INIT_LIST_HEAD(& anchor->urb_list) [L6159] FCALL __init_waitqueue_head(& anchor->wait, "&anchor->wait", & __key) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6160] CALL spinlock_check(& anchor->lock) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, lock={-36893488147419103231:322}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6098] return (& lock->ldv_7686.rlock); VAL [={0:0}, ={0:0}, \result={-36893488147419103231:322}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, lock={-36893488147419103231:322}, lock={-36893488147419103231:322}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6160] RET spinlock_check(& anchor->lock) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, spinlock_check(& anchor->lock)={-36893488147419103231:322}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6161] FCALL __raw_spin_lock_init(& anchor->lock.ldv_7686.rlock, "&(&anchor->lock)->rlock", & __key___0) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6162] return; [L6162] return; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7922] RET init_usb_anchor(& priv->submitted) [L7923] CALL ldv_usb_get_dev_24(udev) [L8392] struct usb_device *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] CALL, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8563] int tmp ; VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8565] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6276] int tmp ; [L6278] tmp = __VERIFIER_nondet_int() [L6279] return (tmp); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] tmp = ldv_undef_int() [L8567] COND FALSE !(\read(tmp)) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8577] return (usb_dev); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] RET, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, ldv_get_dev(ldv_func_arg1)={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] tmp = ldv_get_dev(ldv_func_arg1) [L8395] return (tmp); VAL [={0:0}, ={0:0}, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7923] RET ldv_usb_get_dev_24(udev) [L7924] EXPR intf->altsetting [L7924] EXPR (intf->altsetting)->desc.bNumEndpoints [L7924] i = (unsigned int )(intf->altsetting)->desc.bNumEndpoints [L7925] recognized_pipes = 0U VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=0, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7941] tmp___0 = i [L7942] i = i - 1U VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7943] COND FALSE !(tmp___0 != 0U) [L7947] priv->common.open = & p54u_open [L7948] priv->common.stop = & p54u_stop VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7949] COND TRUE recognized_pipes <= 8U [L7950] udev->reset_resume = 1U [L7951] CALL, EXPR p54u_device_reset(dev) [L7006] struct p54u_priv *priv ; [L7007] int ret ; [L7008] int lock ; [L7010] EXPR dev->priv [L7010] priv = (struct p54u_priv *)dev->priv [L7011] EXPR priv->intf [L7011] EXPR (priv->intf)->condition [L7011] lock = (unsigned int )(priv->intf)->condition != 1U [L7012] COND TRUE lock != 0 [L7013] EXPR priv->udev [L7013] EXPR priv->intf [L7013] CALL, EXPR usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L8817] return __VERIFIER_nondet_int(); [L7013] RET, EXPR usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L7013] ret = usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L7014] COND TRUE ret < 0 [L7015] priv->udev [L7017] return (ret); VAL [={0:0}, ={0:0}, \result=-1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, lock=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967312:-3}, ref_cnt=0, ret=-1, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7951] RET, EXPR p54u_device_reset(dev) [L7951] err = p54u_device_reset(dev) [L7952] priv->hw_type = 2 [L7953] EXPR dev->extra_tx_headroom [L7953] dev->extra_tx_headroom = dev->extra_tx_headroom + 8U [L7954] priv->common.tx_hdr_len = 8U [L7955] priv->common.tx = & p54u_tx_lm87 [L7956] priv->upload_fw = & p54u_upload_firmware_3887 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, err=-1, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7964] CALL, EXPR p54u_load_firmware(dev, intf) [L7866] struct usb_device *udev ; [L7867] struct usb_device *tmp ; [L7868] struct p54u_priv *priv ; [L7869] struct device *device ; [L7870] int err ; [L7871] int i ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] CALL, EXPR interface_to_usbdev(intf) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8237] struct usb_device *tmp ; [L8239] CALL, EXPR ldv_interface_to_usbdev() [L8549] void *result ; [L8550] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] tmp = ldv_malloc(sizeof(struct usb_device)) [L8553] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8554] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8558] return (result); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8239] RET, EXPR ldv_interface_to_usbdev() [L8239] tmp = ldv_interface_to_usbdev() [L8240] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] RET, EXPR interface_to_usbdev(intf) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, interface_to_usbdev(intf)={-18446744073709551615:0}, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] tmp = interface_to_usbdev(intf) [L7874] udev = tmp [L7875] EXPR dev->priv [L7875] priv = (struct p54u_priv *)dev->priv [L7876] device = & udev->dev [L7877] CALL init_completion(& priv->fw_wait_load) [L6106] struct lock_class_key __key ; [L6108] x->done = 0U VAL [={0:0}, ={0:0}, __key={151:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L6109] FCALL __init_waitqueue_head(& x->wait, "&x->wait", & __key) VAL [={0:0}, ={0:0}, __key={151:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L6110] return; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L7877] RET init_completion(& priv->fw_wait_load) [L7878] CALL, EXPR p54_find_type(priv) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7753] int i ; [L7755] i = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7764] COND TRUE i <= 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7758] EXPR p54u_fwlist[i].type [L7758] EXPR priv->hw_type VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_fwlist[i].type=1, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, priv->hw_type=4294967297, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7758] COND TRUE (unsigned int )p54u_fwlist[i].type == (unsigned int )priv->hw_type [L7769] COND FALSE !(i == 3) [L7773] return (i); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7878] RET, EXPR p54_find_type(priv) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, device={-18446744073709551615:131}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54_find_type(priv)=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, udev={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7878] i = p54_find_type(priv) [L7879] COND FALSE !(i < 0) [L7883] priv->udev [L7884] p54u_fwlist[i].fw [L7885] CALL ldv_usb_get_dev_22(udev) [L8377] struct usb_device *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] CALL, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8563] int tmp ; VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8565] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6276] int tmp ; [L6278] tmp = __VERIFIER_nondet_int() [L6279] return (tmp); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, \result=47, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=47, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] tmp = ldv_undef_int() [L8567] COND TRUE \read(tmp) [L8568] dev_counter = dev_counter + 1 [L8569] usb_dev = data VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8577] return (usb_dev); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)=0, \old(usb_dev)=0, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] RET, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, ldv_get_dev(ldv_func_arg1)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] tmp = ldv_get_dev(ldv_func_arg1) [L8380] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7885] RET ldv_usb_get_dev_22(udev) [L7886] EXPR p54u_fwlist[i].fw [L7886-L7887] CALL, EXPR request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L8773] return __VERIFIER_nondet_int(); [L7886-L7887] RET, EXPR request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L7886-L7887] err = request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L7888] COND TRUE err != 0 [L7889] priv->udev [L7890] p54u_fwlist[i].fw [L7893] return (err); VAL [={0:0}, ={0:0}, \result=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=1, device={-18446744073709551615:131}, err=1, i=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, udev={-18446744073709551615:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7964] RET, EXPR p54u_load_firmware(dev, intf) [L7964] err = p54u_load_firmware(dev, intf) [L7965] return (err); VAL [={0:0}, ={0:0}, \result=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=1, err=1, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8131] RET, EXPR p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L8131] ldv_retval_3 = p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L8132] COND FALSE !(ldv_retval_3 == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] case 0: [L8191] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8192] COND TRUE ldv_state_variable_0 != 0 [L8193] tmp___2 = __VERIFIER_nondet_int() [L8195] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8196] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8197] CALL p54u_driver_exit() [L8086] CALL ldv_usb_deregister_31(& p54u_driver) [L8422] FCALL usb_deregister(arg) [L8423] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, arg={35:0}, arg={35:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8086] RET ldv_usb_deregister_31(& p54u_driver) [L8197] RET p54u_driver_exit() [L8198] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8231] CALL ldv_check_final_state() [L8655] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8659] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8661] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6294] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 56 procedures, 838 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 267.2s, OverallIterations: 21, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 204.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 mSolverCounterUnknown, 32696 SdHoareTripleChecker+Valid, 175.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30838 mSDsluCounter, 79763 SdHoareTripleChecker+Invalid, 166.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58762 mSDsCounter, 14732 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30399 IncrementalHoareTripleChecker+Invalid, 45182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14732 mSolverCounterUnsat, 21001 mSDtfsCounter, 30399 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2442 GetRequests, 2230 SyntacticMatches, 2 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9772occurred in iteration=20, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 42129 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 9.6s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 4061 NumberOfCodeBlocks, 4061 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4187 ConstructedInterpolants, 0 QuantifiedInterpolants, 7884 SizeOfPredicates, 19 NumberOfNonLiveVariables, 29385 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 1180/1237 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:58:47,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- 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 17:58:50,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:58:50,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:58:50,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:58:50,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:58:50,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:58:50,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:58:50,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:58:50,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:58:50,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:58:50,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:58:50,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:58:50,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:58:50,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:58:50,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:58:50,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:58:50,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:58:50,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:58:50,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:58:50,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:58:50,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:58:50,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:58:50,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:58:50,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:58:50,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:58:50,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:58:50,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:58:50,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:58:50,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:58:50,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:58:50,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:58:50,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:58:50,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:58:50,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:58:50,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:58:50,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:58:50,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:58:50,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:58:50,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:58:50,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:58:50,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:58:50,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:58:50,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:58:50,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:58:50,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:58:50,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:58:50,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:58:50,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:58:50,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:58:50,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:58:50,724 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:58:50,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:58:50,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:58:50,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:58:50,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:58:50,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:58:50,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:58:50,728 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:58:50,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:58:50,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:58:50,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:58:50,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:58:50,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:58:50,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:58:50,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:58:50,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:58:50,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:58:50,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:58:50,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:58:50,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:58:50,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:58:50,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:58:50,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:58:50,734 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:58:50,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:58:50,735 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:58:50,736 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2022-11-25 17:58:51,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:58:51,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:58:51,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:58:51,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:58:51,260 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:58:51,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:58:54,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:58:55,449 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:58:55,450 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:58:55,504 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/2b77f8b0b/2165d43cc9af4a4dbd5d5bd25f93866e/FLAGa5943e85a [2022-11-25 17:58:55,536 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/data/2b77f8b0b/2165d43cc9af4a4dbd5d5bd25f93866e [2022-11-25 17:58:55,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:58:55,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:58:55,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:58:55,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:58:55,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:58:55,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:58:55" (1/1) ... [2022-11-25 17:58:55,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da99410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:55, skipping insertion in model container [2022-11-25 17:58:55,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:58:55" (1/1) ... [2022-11-25 17:58:55,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:58:55,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:58:56,442 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:56,470 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:58:56,482 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:58:56,570 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:56,574 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:56,723 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:56,785 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_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-11-25 17:58:56,840 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:56,897 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:56,902 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:57,017 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:57,019 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:57,019 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:57,020 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:57,021 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:57,021 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:57,022 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-11-25 17:58:57,029 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:57,031 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:57,031 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:57,032 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:58:57,035 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:57,036 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:57,037 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:57,039 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:57,040 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:57,049 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 17:58:57,052 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:57,061 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 17:58:57,075 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:57,076 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:57,078 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:57,078 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:57,079 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 17:58:57,104 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:57,108 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:57,118 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:57,119 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:57,134 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:57,134 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:57,135 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:57,136 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:57,137 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:57,138 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:57,147 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,154 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,155 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,162 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,168 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:58:57,169 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,170 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:58:57,171 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,178 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 17:58:57,179 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:57,179 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,192 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:57,204 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,206 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:57,234 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,238 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:57,239 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:57,240 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:57,242 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,247 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,248 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,250 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,251 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:57,253 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:57,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:57,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,283 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,285 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,288 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,295 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,304 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,314 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,316 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:57,321 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 17:58:57,323 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:57,339 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-11-25 17:58:57,340 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,360 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-11-25 17:58:57,360 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-11-25 17:58:57,376 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:58:57,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,384 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,386 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-11-25 17:58:57,397 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:58:57,398 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 17:58:57,400 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,414 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-11-25 17:58:57,415 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:57,442 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 17:58:57,447 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-11-25 17:58:57,447 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:58:57,448 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-11-25 17:58:57,474 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-11-25 17:58:57,504 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:58:57,530 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:58:57,537 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:58:57,547 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,559 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,595 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,597 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,603 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,604 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,606 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,607 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,609 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:58:57,688 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 17:58:57,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:58:57,967 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:57,968 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:58:57,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:58:57,970 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:57,971 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:57,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:57,979 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_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-11-25 17:58:57,982 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:57,987 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:57,989 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:58,005 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,006 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:58,006 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,007 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:58,007 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:58,008 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,008 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-11-25 17:58:58,011 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:58,012 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:58,012 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,013 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:58:58,013 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:58,014 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,014 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,014 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,015 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:58,016 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 17:58:58,016 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,017 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 17:58:58,021 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:58,022 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,023 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,024 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,026 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 17:58:58,032 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,037 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,038 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,044 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,051 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,054 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,054 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,056 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,056 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,063 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,065 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,066 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,070 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,071 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:58:58,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,073 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:58:58,073 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,075 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 17:58:58,076 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,076 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,083 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:58,085 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,087 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:58,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,090 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:58,090 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:58,091 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:58,093 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,095 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,098 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,099 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,100 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:58,101 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,106 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,106 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,121 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,122 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,123 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,129 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,133 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,135 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,136 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,138 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 17:58:58,144 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,146 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-11-25 17:58:58,147 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,149 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-11-25 17:58:58,150 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-11-25 17:58:58,150 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:58:58,151 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,152 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,153 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-11-25 17:58:58,155 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:58:58,156 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 17:58:58,157 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,158 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-11-25 17:58:58,159 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,164 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 17:58:58,165 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-11-25 17:58:58,165 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:58:58,165 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-11-25 17:58:58,168 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-11-25 17:58:58,174 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:58:58,221 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:58:58,221 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:58:58,222 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,225 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,228 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,245 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,251 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,252 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:58:58,287 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:58:58,501 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:58,502 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:58:58,503 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:58:58,504 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:58:58,504 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:58,506 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,511 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_de2ff568-71f6-4f38-94b8-b734d00d5267/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-11-25 17:58:58,513 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:58:58,515 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:58,516 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:58:58,535 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,536 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:58,536 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,537 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:58,537 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 17:58:58,537 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,538 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-11-25 17:58:58,539 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:58,539 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:58:58,540 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:58:58,540 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:58:58,540 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:58,541 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,541 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,541 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,542 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-11-25 17:58:58,542 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 17:58:58,543 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,543 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 17:58:58,545 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:58:58,546 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,546 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:58:58,547 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,547 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 17:58:58,549 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,552 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,553 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,553 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,557 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,558 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,558 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 17:58:58,558 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 17:58:58,559 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,559 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-11-25 17:58:58,560 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,561 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,562 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,565 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,571 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:58:58,571 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,572 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:58:58,572 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,573 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 17:58:58,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,575 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,580 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:58,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,587 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:58:58,591 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,593 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:58,593 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:58,594 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 17:58:58,595 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,595 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,596 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,596 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,597 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:58:58,598 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 17:58:58,598 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,601 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,602 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,602 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,605 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,606 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,608 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,610 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,611 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,613 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,614 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:58:58,615 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 17:58:58,616 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:58:58,649 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-11-25 17:58:58,650 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,651 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-11-25 17:58:58,651 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-11-25 17:58:58,652 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:58:58,653 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,656 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-11-25 17:58:58,659 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:58:58,660 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 17:58:58,661 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,662 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-11-25 17:58:58,662 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:58:58,666 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 17:58:58,667 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-11-25 17:58:58,667 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:58:58,668 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-11-25 17:58:58,674 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-11-25 17:58:58,677 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:58:58,685 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:58:58,685 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:58:58,687 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,711 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,727 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,727 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,729 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,730 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,731 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:58:58,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:58:58,913 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:58:58,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58 WrapperNode [2022-11-25 17:58:58,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:58:58,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:58:58,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:58:58,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:58:58,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:58,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,190 INFO L138 Inliner]: procedures = 198, calls = 1615, calls flagged for inlining = 84, calls inlined = 65, statements flattened = 2825 [2022-11-25 17:58:59,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:58:59,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:58:59,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:58:59,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:58:59,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:58:59,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:58:59,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:58:59,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:58:59,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (1/1) ... [2022-11-25 17:58:59,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:58:59,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:58:59,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:58:59,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:58:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 17:58:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 17:58:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:58:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:58:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 17:58:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:58:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:58:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:58:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 17:58:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 17:58:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-25 17:58:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-25 17:58:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2022-11-25 17:58:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2022-11-25 17:58:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:58:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:58:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-25 17:58:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-25 17:58:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-11-25 17:58:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-11-25 17:58:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2022-11-25 17:58:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2022-11-25 17:58:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:58:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:58:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:58:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:58:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:58:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:58:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-25 17:58:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-25 17:58:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-25 17:58:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-25 17:58:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:58:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:58:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:58:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 17:58:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:58:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2022-11-25 17:58:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2022-11-25 17:58:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-25 17:58:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-25 17:58:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2022-11-25 17:58:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2022-11-25 17:58:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:58:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 17:58:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2022-11-25 17:58:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2022-11-25 17:58:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 17:58:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:58:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:58:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-25 17:58:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-25 17:58:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2022-11-25 17:58:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2022-11-25 17:58:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 17:58:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 17:58:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 17:58:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 17:58:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 17:58:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 17:58:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2022-11-25 17:58:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2022-11-25 17:58:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2022-11-25 17:58:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2022-11-25 17:58:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-25 17:58:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-25 17:58:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-25 17:58:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-25 17:58:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:58:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:58:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 17:58:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 17:58:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-25 17:58:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-25 17:58:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:58:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:58:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-25 17:58:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-25 17:58:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 17:58:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 17:58:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 17:58:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2022-11-25 17:58:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2022-11-25 17:58:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 17:58:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:58:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 17:58:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:58:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:58:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2022-11-25 17:58:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2022-11-25 17:58:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:58:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2022-11-25 17:58:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2022-11-25 17:58:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:58:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2022-11-25 17:58:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2022-11-25 17:58:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2022-11-25 17:58:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2022-11-25 17:58:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:58:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:58:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:58:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:58:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:58:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 17:58:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-11-25 17:58:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-11-25 17:58:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 17:58:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:58:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:58:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 17:58:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2022-11-25 17:58:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2022-11-25 17:58:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 17:58:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 17:58:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2022-11-25 17:58:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2022-11-25 17:58:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-25 17:58:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-25 17:58:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 17:58:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 17:58:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 17:58:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 17:58:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2022-11-25 17:58:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2022-11-25 17:58:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 17:58:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 17:58:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-25 17:58:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-25 17:58:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 17:58:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-25 17:58:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-25 17:58:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-25 17:58:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-25 17:58:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:58:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:59:00,298 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:59:00,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:59:01,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:59:07,883 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-25 17:59:52,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:59:52,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:59:52,919 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:59:52,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:59:52 BoogieIcfgContainer [2022-11-25 17:59:52,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:59:52,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:59:52,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:59:52,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:59:52,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:58:55" (1/3) ... [2022-11-25 17:59:52,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1405d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:59:52, skipping insertion in model container [2022-11-25 17:59:52,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:58:58" (2/3) ... [2022-11-25 17:59:52,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1405d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:59:52, skipping insertion in model container [2022-11-25 17:59:52,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:59:52" (3/3) ... [2022-11-25 17:59:52,933 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-11-25 17:59:52,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:59:52,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:59:53,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:59:53,084 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=PETRI_NET, 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;@a5a4828, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:59:53,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:59:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 830 states, 585 states have (on average 1.3452991452991454) internal successors, (787), 611 states have internal predecessors, (787), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) [2022-11-25 17:59:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 17:59:53,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:59:53,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 17:59:53,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:59:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:59:53,123 INFO L85 PathProgramCache]: Analyzing trace with hash -379709077, now seen corresponding path program 1 times [2022-11-25 17:59:53,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:59:53,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406860316] [2022-11-25 17:59:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:59:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:59:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:59:53,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:59:53,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:59:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:59:54,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:59:54,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:59:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:59:55,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:59:55,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:59:55,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406860316] [2022-11-25 17:59:55,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406860316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:59:55,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:59:55,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:59:55,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308577093] [2022-11-25 17:59:55,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:59:55,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:59:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:59:55,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:59:55,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:59:55,239 INFO L87 Difference]: Start difference. First operand has 830 states, 585 states have (on average 1.3452991452991454) internal successors, (787), 611 states have internal predecessors, (787), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:59:55,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:59:55,643 INFO L93 Difference]: Finished difference Result 1658 states and 2365 transitions. [2022-11-25 17:59:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:59:55,655 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-25 17:59:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:59:55,680 INFO L225 Difference]: With dead ends: 1658 [2022-11-25 17:59:55,681 INFO L226 Difference]: Without dead ends: 818 [2022-11-25 17:59:55,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:59:55,696 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 2 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:59:55,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3451 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:59:55,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-11-25 17:59:55,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2022-11-25 17:59:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 580 states have (on average 1.3327586206896551) internal successors, (773), 599 states have internal predecessors, (773), 185 states have call successors, (185), 53 states have call predecessors, (185), 52 states have return successors, (180), 177 states have call predecessors, (180), 180 states have call successors, (180) [2022-11-25 17:59:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1138 transitions. [2022-11-25 17:59:55,843 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1138 transitions. Word has length 28 [2022-11-25 17:59:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:59:55,845 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 1138 transitions. [2022-11-25 17:59:55,846 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:59:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1138 transitions. [2022-11-25 17:59:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 17:59:55,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:59:55,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 17:59:55,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 17:59:56,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:59:56,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:59:56,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:59:56,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1230635498, now seen corresponding path program 1 times [2022-11-25 17:59:56,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:59:56,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462263921] [2022-11-25 17:59:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:59:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:59:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:59:56,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:59:56,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:59:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:59:57,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 2202 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:59:57,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:59:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:59:58,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:59:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:59:58,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:59:58,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462263921] [2022-11-25 17:59:58,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462263921] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:59:58,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:59:58,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 17:59:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531937632] [2022-11-25 17:59:58,930 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:59:58,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:59:58,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:59:58,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:59:58,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:59:58,933 INFO L87 Difference]: Start difference. First operand 818 states and 1138 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:59:59,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:59:59,725 INFO L93 Difference]: Finished difference Result 1632 states and 2273 transitions. [2022-11-25 17:59:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:59:59,726 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-25 17:59:59,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:59:59,736 INFO L225 Difference]: With dead ends: 1632 [2022-11-25 17:59:59,736 INFO L226 Difference]: Without dead ends: 821 [2022-11-25 17:59:59,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:59:59,747 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 2 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:59:59,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3406 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:59:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2022-11-25 17:59:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2022-11-25 17:59:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 583 states have (on average 1.3310463121783878) internal successors, (776), 602 states have internal predecessors, (776), 185 states have call successors, (185), 53 states have call predecessors, (185), 52 states have return successors, (180), 177 states have call predecessors, (180), 180 states have call successors, (180) [2022-11-25 17:59:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1141 transitions. [2022-11-25 17:59:59,837 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1141 transitions. Word has length 29 [2022-11-25 17:59:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:59:59,838 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1141 transitions. [2022-11-25 17:59:59,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:59:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1141 transitions. [2022-11-25 17:59:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:59:59,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:59:59,845 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 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 17:59:59,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:00,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:00,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:00,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:00,065 INFO L85 PathProgramCache]: Analyzing trace with hash -293114837, now seen corresponding path program 2 times [2022-11-25 18:00:00,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:00,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556850149] [2022-11-25 18:00:00,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:00:00,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:00,073 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:00,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:00:01,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:00:01,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:00:01,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:01,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 18:00:01,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:01,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:01,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556850149] [2022-11-25 18:00:01,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556850149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:01,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:01,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:01,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171312856] [2022-11-25 18:00:01,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:01,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:01,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:01,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:01,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:01,981 INFO L87 Difference]: Start difference. First operand 821 states and 1141 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:00:04,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:00:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:04,557 INFO L93 Difference]: Finished difference Result 2410 states and 3361 transitions. [2022-11-25 18:00:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:04,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-25 18:00:04,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:04,570 INFO L225 Difference]: With dead ends: 2410 [2022-11-25 18:00:04,570 INFO L226 Difference]: Without dead ends: 1604 [2022-11-25 18:00:04,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 18:00:04,578 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 1095 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:04,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 2441 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 18:00:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2022-11-25 18:00:04,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2022-11-25 18:00:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1138 states have (on average 1.3312829525483305) internal successors, (1515), 1172 states have internal predecessors, (1515), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-11-25 18:00:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2234 transitions. [2022-11-25 18:00:04,700 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2234 transitions. Word has length 32 [2022-11-25 18:00:04,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:04,701 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2234 transitions. [2022-11-25 18:00:04,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:00:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2234 transitions. [2022-11-25 18:00:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:00:04,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:04,709 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:04,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:04,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:04,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:04,926 INFO L85 PathProgramCache]: Analyzing trace with hash -84618737, now seen corresponding path program 1 times [2022-11-25 18:00:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:04,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449400882] [2022-11-25 18:00:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:04,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:04,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:04,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:04,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 18:00:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:06,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:06,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:06,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:06,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:06,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449400882] [2022-11-25 18:00:06,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449400882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:06,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:06,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:06,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495492181] [2022-11-25 18:00:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:06,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:06,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:06,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:06,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:06,778 INFO L87 Difference]: Start difference. First operand 1604 states and 2234 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:07,229 INFO L93 Difference]: Finished difference Result 1630 states and 2266 transitions. [2022-11-25 18:00:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:07,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-25 18:00:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:07,242 INFO L225 Difference]: With dead ends: 1630 [2022-11-25 18:00:07,243 INFO L226 Difference]: Without dead ends: 1617 [2022-11-25 18:00:07,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:07,246 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 1132 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:07,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1168 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:00:07,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-11-25 18:00:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1604. [2022-11-25 18:00:07,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1138 states have (on average 1.3304042179261863) internal successors, (1514), 1172 states have internal predecessors, (1514), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-11-25 18:00:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2233 transitions. [2022-11-25 18:00:07,370 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2233 transitions. Word has length 42 [2022-11-25 18:00:07,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:07,371 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2233 transitions. [2022-11-25 18:00:07,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2233 transitions. [2022-11-25 18:00:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:00:07,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:07,373 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:07,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:07,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:07,597 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:07,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:07,597 INFO L85 PathProgramCache]: Analyzing trace with hash -27360435, now seen corresponding path program 1 times [2022-11-25 18:00:07,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:07,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95096447] [2022-11-25 18:00:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:07,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:07,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:07,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:07,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 18:00:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:09,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:00:09,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:11,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:11,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:11,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95096447] [2022-11-25 18:00:11,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95096447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:11,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:11,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:11,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186062793] [2022-11-25 18:00:11,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:11,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:11,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:11,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:11,312 INFO L87 Difference]: Start difference. First operand 1604 states and 2233 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:11,877 INFO L93 Difference]: Finished difference Result 4767 states and 6714 transitions. [2022-11-25 18:00:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:11,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-25 18:00:11,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:11,906 INFO L225 Difference]: With dead ends: 4767 [2022-11-25 18:00:11,907 INFO L226 Difference]: Without dead ends: 3185 [2022-11-25 18:00:11,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:11,917 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 1109 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:11,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 2583 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:00:11,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-11-25 18:00:12,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3175. [2022-11-25 18:00:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 2254 states have (on average 1.3300798580301685) internal successors, (2998), 2318 states have internal predecessors, (2998), 716 states have call successors, (716), 205 states have call predecessors, (716), 204 states have return successors, (745), 699 states have call predecessors, (745), 711 states have call successors, (745) [2022-11-25 18:00:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4459 transitions. [2022-11-25 18:00:12,227 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4459 transitions. Word has length 42 [2022-11-25 18:00:12,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:12,228 INFO L495 AbstractCegarLoop]: Abstraction has 3175 states and 4459 transitions. [2022-11-25 18:00:12,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4459 transitions. [2022-11-25 18:00:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 18:00:12,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:12,230 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:12,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:12,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:12,453 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:12,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash -848585938, now seen corresponding path program 1 times [2022-11-25 18:00:12,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:12,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128526038] [2022-11-25 18:00:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:12,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:12,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:12,460 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:12,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 18:00:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:14,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:00:14,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:16,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:16,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:16,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128526038] [2022-11-25 18:00:16,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128526038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:16,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:16,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:16,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078814169] [2022-11-25 18:00:16,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:16,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:16,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:16,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:16,051 INFO L87 Difference]: Start difference. First operand 3175 states and 4459 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:17,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:17,007 INFO L93 Difference]: Finished difference Result 9472 states and 13598 transitions. [2022-11-25 18:00:17,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:17,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-11-25 18:00:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:17,058 INFO L225 Difference]: With dead ends: 9472 [2022-11-25 18:00:17,058 INFO L226 Difference]: Without dead ends: 6319 [2022-11-25 18:00:17,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:17,082 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 1111 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:17,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2527 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:00:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2022-11-25 18:00:17,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 6310. [2022-11-25 18:00:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6310 states, 4479 states have (on average 1.3275284661754856) internal successors, (5946), 4603 states have internal predecessors, (5946), 1424 states have call successors, (1424), 407 states have call predecessors, (1424), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-11-25 18:00:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6310 states to 6310 states and 8961 transitions. [2022-11-25 18:00:17,773 INFO L78 Accepts]: Start accepts. Automaton has 6310 states and 8961 transitions. Word has length 43 [2022-11-25 18:00:17,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:17,774 INFO L495 AbstractCegarLoop]: Abstraction has 6310 states and 8961 transitions. [2022-11-25 18:00:17,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 6310 states and 8961 transitions. [2022-11-25 18:00:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 18:00:17,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:17,777 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:17,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:17,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:17,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:17,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:17,993 INFO L85 PathProgramCache]: Analyzing trace with hash -536767888, now seen corresponding path program 1 times [2022-11-25 18:00:17,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:17,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415135148] [2022-11-25 18:00:17,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:17,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:17,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:18,000 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:18,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 18:00:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:19,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 2281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:19,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:20,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:20,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:20,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415135148] [2022-11-25 18:00:20,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415135148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:20,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:20,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:20,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027208982] [2022-11-25 18:00:20,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:20,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:20,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:20,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:20,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:20,642 INFO L87 Difference]: Start difference. First operand 6310 states and 8961 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:21,320 INFO L93 Difference]: Finished difference Result 6317 states and 8967 transitions. [2022-11-25 18:00:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-11-25 18:00:21,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:21,367 INFO L225 Difference]: With dead ends: 6317 [2022-11-25 18:00:21,368 INFO L226 Difference]: Without dead ends: 6314 [2022-11-25 18:00:21,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 18:00:21,374 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 1108 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 2528 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:21,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 2528 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:21,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-11-25 18:00:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6311. [2022-11-25 18:00:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4480 states have (on average 1.3274553571428571) internal successors, (5947), 4604 states have internal predecessors, (5947), 1424 states have call successors, (1424), 407 states have call predecessors, (1424), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-11-25 18:00:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8962 transitions. [2022-11-25 18:00:22,014 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8962 transitions. Word has length 44 [2022-11-25 18:00:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:22,014 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8962 transitions. [2022-11-25 18:00:22,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8962 transitions. [2022-11-25 18:00:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 18:00:22,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:22,017 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:22,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:22,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:22,233 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash 539661937, now seen corresponding path program 1 times [2022-11-25 18:00:22,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:22,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353246748] [2022-11-25 18:00:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:22,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:22,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:22,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 18:00:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:23,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:23,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:24,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:24,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:24,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353246748] [2022-11-25 18:00:24,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353246748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:24,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:24,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:24,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531431056] [2022-11-25 18:00:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:24,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:24,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:24,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:24,898 INFO L87 Difference]: Start difference. First operand 6311 states and 8962 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:25,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:25,483 INFO L93 Difference]: Finished difference Result 6313 states and 8963 transitions. [2022-11-25 18:00:25,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-25 18:00:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:25,539 INFO L225 Difference]: With dead ends: 6313 [2022-11-25 18:00:25,539 INFO L226 Difference]: Without dead ends: 6310 [2022-11-25 18:00:25,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 18:00:25,546 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 1099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:25,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:25,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2022-11-25 18:00:26,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6310. [2022-11-25 18:00:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6310 states, 4480 states have (on average 1.3272321428571427) internal successors, (5946), 4603 states have internal predecessors, (5946), 1423 states have call successors, (1423), 407 states have call predecessors, (1423), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-11-25 18:00:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6310 states to 6310 states and 8960 transitions. [2022-11-25 18:00:26,218 INFO L78 Accepts]: Start accepts. Automaton has 6310 states and 8960 transitions. Word has length 45 [2022-11-25 18:00:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:26,219 INFO L495 AbstractCegarLoop]: Abstraction has 6310 states and 8960 transitions. [2022-11-25 18:00:26,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 6310 states and 8960 transitions. [2022-11-25 18:00:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 18:00:26,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:26,221 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-25 18:00:26,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:26,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:26,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash -450746989, now seen corresponding path program 1 times [2022-11-25 18:00:26,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:26,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892228238] [2022-11-25 18:00:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:26,443 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:26,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 18:00:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:27,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 2283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:27,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 18:00:28,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:28,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:28,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892228238] [2022-11-25 18:00:28,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892228238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:28,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:28,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015635354] [2022-11-25 18:00:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:28,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:28,999 INFO L87 Difference]: Start difference. First operand 6310 states and 8960 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:29,605 INFO L93 Difference]: Finished difference Result 6312 states and 8961 transitions. [2022-11-25 18:00:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2022-11-25 18:00:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:29,641 INFO L225 Difference]: With dead ends: 6312 [2022-11-25 18:00:29,641 INFO L226 Difference]: Without dead ends: 6300 [2022-11-25 18:00:29,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 18:00:29,648 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 1096 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:29,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6300 states. [2022-11-25 18:00:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6300 to 6300. [2022-11-25 18:00:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 4471 states have (on average 1.326996197718631) internal successors, (5933), 4593 states have internal predecessors, (5933), 1422 states have call successors, (1422), 407 states have call predecessors, (1422), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-11-25 18:00:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 8946 transitions. [2022-11-25 18:00:30,373 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 8946 transitions. Word has length 46 [2022-11-25 18:00:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:30,373 INFO L495 AbstractCegarLoop]: Abstraction has 6300 states and 8946 transitions. [2022-11-25 18:00:30,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:00:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 8946 transitions. [2022-11-25 18:00:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 18:00:30,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:30,390 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:00:30,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:30,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:30,606 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:30,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:30,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1608963911, now seen corresponding path program 1 times [2022-11-25 18:00:30,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:30,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460705353] [2022-11-25 18:00:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:30,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:30,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:30,617 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:30,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-25 18:00:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:32,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:32,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-25 18:00:32,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:32,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:32,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460705353] [2022-11-25 18:00:32,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460705353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:32,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:32,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:32,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102862648] [2022-11-25 18:00:32,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:32,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:32,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:32,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:32,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:32,625 INFO L87 Difference]: Start difference. First operand 6300 states and 8946 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 18:00:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:33,730 INFO L93 Difference]: Finished difference Result 12706 states and 18046 transitions. [2022-11-25 18:00:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:33,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2022-11-25 18:00:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:33,758 INFO L225 Difference]: With dead ends: 12706 [2022-11-25 18:00:33,758 INFO L226 Difference]: Without dead ends: 6428 [2022-11-25 18:00:33,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:33,786 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 52 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:33,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 2229 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:00:33,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6428 states. [2022-11-25 18:00:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6428 to 6404. [2022-11-25 18:00:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6404 states, 4574 states have (on average 1.3290336685614341) internal successors, (6079), 4696 states have internal predecessors, (6079), 1422 states have call successors, (1422), 408 states have call predecessors, (1422), 407 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-11-25 18:00:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6404 states to 6404 states and 9092 transitions. [2022-11-25 18:00:34,517 INFO L78 Accepts]: Start accepts. Automaton has 6404 states and 9092 transitions. Word has length 144 [2022-11-25 18:00:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:34,519 INFO L495 AbstractCegarLoop]: Abstraction has 6404 states and 9092 transitions. [2022-11-25 18:00:34,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 18:00:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 6404 states and 9092 transitions. [2022-11-25 18:00:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 18:00:34,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:34,528 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:00:34,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:34,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:34,752 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:34,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash 586713842, now seen corresponding path program 1 times [2022-11-25 18:00:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:34,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13046911] [2022-11-25 18:00:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:34,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:34,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:34,757 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:34,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-25 18:00:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:36,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:36,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-25 18:00:37,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:37,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:37,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13046911] [2022-11-25 18:00:37,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13046911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:37,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:37,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:37,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201476289] [2022-11-25 18:00:37,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:37,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:37,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:37,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:37,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:37,134 INFO L87 Difference]: Start difference. First operand 6404 states and 9092 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 18:00:39,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:00:40,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:40,528 INFO L93 Difference]: Finished difference Result 13178 states and 18684 transitions. [2022-11-25 18:00:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:40,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 156 [2022-11-25 18:00:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:40,564 INFO L225 Difference]: With dead ends: 13178 [2022-11-25 18:00:40,565 INFO L226 Difference]: Without dead ends: 6800 [2022-11-25 18:00:40,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 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 18:00:40,598 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 205 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:40,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 2123 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 18:00:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6800 states. [2022-11-25 18:00:41,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6776. [2022-11-25 18:00:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 4898 states have (on average 1.3258472846059617) internal successors, (6494), 5020 states have internal predecessors, (6494), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 439 states have return successors, (1607), 1411 states have call predecessors, (1607), 1435 states have call successors, (1607) [2022-11-25 18:00:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 9539 transitions. [2022-11-25 18:00:41,362 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 9539 transitions. Word has length 156 [2022-11-25 18:00:41,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:41,363 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 9539 transitions. [2022-11-25 18:00:41,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 18:00:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 9539 transitions. [2022-11-25 18:00:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-25 18:00:41,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:41,371 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:00:41,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:41,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:41,596 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:41,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:41,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1310333478, now seen corresponding path program 1 times [2022-11-25 18:00:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:41,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346866300] [2022-11-25 18:00:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:41,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:41,601 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-25 18:00:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:43,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:00:43,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 18:00:44,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:44,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:44,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346866300] [2022-11-25 18:00:44,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346866300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:44,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:44,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:00:44,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264817126] [2022-11-25 18:00:44,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:44,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:44,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:44,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:44,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:44,542 INFO L87 Difference]: Start difference. First operand 6776 states and 9539 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:00:45,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:45,374 INFO L93 Difference]: Finished difference Result 13590 states and 19486 transitions. [2022-11-25 18:00:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2022-11-25 18:00:45,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:45,415 INFO L225 Difference]: With dead ends: 13590 [2022-11-25 18:00:45,415 INFO L226 Difference]: Without dead ends: 6808 [2022-11-25 18:00:45,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:45,451 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 0 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:45,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4504 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:00:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2022-11-25 18:00:46,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 6808. [2022-11-25 18:00:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6808 states, 4914 states have (on average 1.3247863247863247) internal successors, (6510), 5052 states have internal predecessors, (6510), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1411 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-11-25 18:00:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 9627 transitions. [2022-11-25 18:00:46,264 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 9627 transitions. Word has length 160 [2022-11-25 18:00:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:46,264 INFO L495 AbstractCegarLoop]: Abstraction has 6808 states and 9627 transitions. [2022-11-25 18:00:46,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:00:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 9627 transitions. [2022-11-25 18:00:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-25 18:00:46,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:46,283 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:00:46,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:46,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:46,497 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:46,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash -738039550, now seen corresponding path program 1 times [2022-11-25 18:00:46,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:46,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790676534] [2022-11-25 18:00:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:46,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:46,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:46,504 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:46,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-25 18:00:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:49,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:00:49,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 18:00:50,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:50,153 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:50,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790676534] [2022-11-25 18:00:50,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790676534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:50,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:50,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:00:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318909725] [2022-11-25 18:00:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:50,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:00:50,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:50,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:00:50,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:00:50,157 INFO L87 Difference]: Start difference. First operand 6808 states and 9627 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:00:52,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:00:54,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:00:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:55,528 INFO L93 Difference]: Finished difference Result 14326 states and 20368 transitions. [2022-11-25 18:00:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:00:55,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2022-11-25 18:00:55,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:55,566 INFO L225 Difference]: With dead ends: 14326 [2022-11-25 18:00:55,566 INFO L226 Difference]: Without dead ends: 7544 [2022-11-25 18:00:55,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:55,594 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 158 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 5852 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:55,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 5852 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 18:00:55,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2022-11-25 18:00:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 6832. [2022-11-25 18:00:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6832 states, 4938 states have (on average 1.3232077764277035) internal successors, (6534), 5068 states have internal predecessors, (6534), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-11-25 18:00:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6832 states to 6832 states and 9651 transitions. [2022-11-25 18:00:56,552 INFO L78 Accepts]: Start accepts. Automaton has 6832 states and 9651 transitions. Word has length 172 [2022-11-25 18:00:56,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:56,553 INFO L495 AbstractCegarLoop]: Abstraction has 6832 states and 9651 transitions. [2022-11-25 18:00:56,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:00:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6832 states and 9651 transitions. [2022-11-25 18:00:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-25 18:00:56,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:56,564 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:00:56,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:00:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:56,777 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:00:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1206848726, now seen corresponding path program 1 times [2022-11-25 18:00:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:00:56,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378689846] [2022-11-25 18:00:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:56,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:00:56,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:00:56,785 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:00:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-25 18:00:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:59,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:00:59,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:00:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-25 18:00:59,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:00:59,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:00:59,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378689846] [2022-11-25 18:00:59,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378689846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:59,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:59,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870453635] [2022-11-25 18:00:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:59,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:59,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:00:59,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:59,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:59,587 INFO L87 Difference]: Start difference. First operand 6832 states and 9651 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:01:01,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:01:02,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:02,300 INFO L93 Difference]: Finished difference Result 14726 states and 20932 transitions. [2022-11-25 18:01:02,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:01:02,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 178 [2022-11-25 18:01:02,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:02,336 INFO L225 Difference]: With dead ends: 14726 [2022-11-25 18:01:02,337 INFO L226 Difference]: Without dead ends: 7920 [2022-11-25 18:01:02,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:01:02,360 INFO L413 NwaCegarLoop]: 1216 mSDtfsCounter, 134 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:02,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2349 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 18:01:02,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2022-11-25 18:01:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7008. [2022-11-25 18:01:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 5114 states have (on average 1.327727806022683) internal successors, (6790), 5244 states have internal predecessors, (6790), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-11-25 18:01:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 9907 transitions. [2022-11-25 18:01:03,053 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 9907 transitions. Word has length 178 [2022-11-25 18:01:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:03,054 INFO L495 AbstractCegarLoop]: Abstraction has 7008 states and 9907 transitions. [2022-11-25 18:01:03,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:01:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 9907 transitions. [2022-11-25 18:01:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-25 18:01:03,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:03,064 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-11-25 18:01:03,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:01:03,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:03,288 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:01:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:03,289 INFO L85 PathProgramCache]: Analyzing trace with hash 197396526, now seen corresponding path program 1 times [2022-11-25 18:01:03,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:01:03,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304198138] [2022-11-25 18:01:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:03,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:03,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:01:03,297 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:01:03,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 18:01:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:06,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 3002 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:01:06,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:01:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:06,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:01:06,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:01:06,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304198138] [2022-11-25 18:01:06,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304198138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:01:06,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:01:06,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:01:06,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598957900] [2022-11-25 18:01:06,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:01:06,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:01:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:01:06,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:01:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:01:06,450 INFO L87 Difference]: Start difference. First operand 7008 states and 9907 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:07,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:07,130 INFO L93 Difference]: Finished difference Result 14038 states and 19866 transitions. [2022-11-25 18:01:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:01:07,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 182 [2022-11-25 18:01:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:07,167 INFO L225 Difference]: With dead ends: 14038 [2022-11-25 18:01:07,167 INFO L226 Difference]: Without dead ends: 7056 [2022-11-25 18:01:07,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:01:07,192 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 5 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:07,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2251 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:01:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7056 states. [2022-11-25 18:01:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7056 to 7040. [2022-11-25 18:01:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7040 states, 5146 states have (on average 1.3272444617178392) internal successors, (6830), 5276 states have internal predecessors, (6830), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-11-25 18:01:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7040 states to 7040 states and 9947 transitions. [2022-11-25 18:01:07,967 INFO L78 Accepts]: Start accepts. Automaton has 7040 states and 9947 transitions. Word has length 182 [2022-11-25 18:01:07,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:07,970 INFO L495 AbstractCegarLoop]: Abstraction has 7040 states and 9947 transitions. [2022-11-25 18:01:07,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7040 states and 9947 transitions. [2022-11-25 18:01:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-25 18:01:07,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:07,982 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2022-11-25 18:01:08,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:01:08,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:08,196 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:01:08,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:08,197 INFO L85 PathProgramCache]: Analyzing trace with hash 469072622, now seen corresponding path program 1 times [2022-11-25 18:01:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:01:08,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805659457] [2022-11-25 18:01:08,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:08,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:08,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:01:08,203 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:01:08,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-25 18:01:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:11,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:01:11,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:01:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:11,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:01:11,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:01:11,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805659457] [2022-11-25 18:01:11,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805659457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:01:11,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:01:11,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:01:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111748657] [2022-11-25 18:01:11,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:01:11,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:01:11,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:01:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:01:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:01:11,866 INFO L87 Difference]: Start difference. First operand 7040 states and 9947 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:13,211 INFO L93 Difference]: Finished difference Result 15518 states and 22040 transitions. [2022-11-25 18:01:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:01:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2022-11-25 18:01:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:13,247 INFO L225 Difference]: With dead ends: 15518 [2022-11-25 18:01:13,247 INFO L226 Difference]: Without dead ends: 8504 [2022-11-25 18:01:13,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:01:13,270 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 154 mSDsluCounter, 5045 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 6349 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:13,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 6349 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:01:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8504 states. [2022-11-25 18:01:13,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8504 to 7072. [2022-11-25 18:01:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7072 states, 5170 states have (on average 1.325725338491296) internal successors, (6854), 5300 states have internal predecessors, (6854), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-11-25 18:01:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7072 states to 7072 states and 9979 transitions. [2022-11-25 18:01:14,021 INFO L78 Accepts]: Start accepts. Automaton has 7072 states and 9979 transitions. Word has length 184 [2022-11-25 18:01:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:14,022 INFO L495 AbstractCegarLoop]: Abstraction has 7072 states and 9979 transitions. [2022-11-25 18:01:14,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7072 states and 9979 transitions. [2022-11-25 18:01:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 18:01:14,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:14,031 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2022-11-25 18:01:14,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:01:14,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:14,244 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:01:14,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:14,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1162855401, now seen corresponding path program 1 times [2022-11-25 18:01:14,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:01:14,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894291165] [2022-11-25 18:01:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:14,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:01:14,251 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:01:14,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-25 18:01:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:17,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 3007 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:01:17,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:01:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:17,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:01:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:18,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:01:18,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894291165] [2022-11-25 18:01:18,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894291165] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:01:18,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:01:18,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-25 18:01:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226830055] [2022-11-25 18:01:18,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:01:18,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:01:18,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:01:18,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:01:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:01:18,117 INFO L87 Difference]: Start difference. First operand 7072 states and 9979 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:19,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:19,205 INFO L93 Difference]: Finished difference Result 14198 states and 20058 transitions. [2022-11-25 18:01:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:01:19,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2022-11-25 18:01:19,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:19,243 INFO L225 Difference]: With dead ends: 14198 [2022-11-25 18:01:19,243 INFO L226 Difference]: Without dead ends: 7152 [2022-11-25 18:01:19,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:01:19,270 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 24 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:19,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3383 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:01:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7152 states. [2022-11-25 18:01:19,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7152 to 7112. [2022-11-25 18:01:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7112 states, 5210 states have (on average 1.324760076775432) internal successors, (6902), 5340 states have internal predecessors, (6902), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-11-25 18:01:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7112 states to 7112 states and 10027 transitions. [2022-11-25 18:01:20,024 INFO L78 Accepts]: Start accepts. Automaton has 7112 states and 10027 transitions. Word has length 185 [2022-11-25 18:01:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:20,024 INFO L495 AbstractCegarLoop]: Abstraction has 7112 states and 10027 transitions. [2022-11-25 18:01:20,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 18:01:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7112 states and 10027 transitions. [2022-11-25 18:01:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-25 18:01:20,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:20,032 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2022-11-25 18:01:20,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:01:20,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:20,249 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:01:20,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:20,249 INFO L85 PathProgramCache]: Analyzing trace with hash 562115561, now seen corresponding path program 1 times [2022-11-25 18:01:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:01:20,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738948103] [2022-11-25 18:01:20,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:01:20,254 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:01:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-25 18:01:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:23,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:01:23,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:01:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:24,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:01:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 18:01:26,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:01:26,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738948103] [2022-11-25 18:01:26,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738948103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:01:26,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:01:26,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-25 18:01:26,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280484289] [2022-11-25 18:01:26,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:01:26,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:01:26,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:01:26,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:01:26,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:01:26,070 INFO L87 Difference]: Start difference. First operand 7112 states and 10027 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 18:01:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:29,842 INFO L93 Difference]: Finished difference Result 17102 states and 24330 transitions. [2022-11-25 18:01:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:01:29,843 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) Word has length 187 [2022-11-25 18:01:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:29,893 INFO L225 Difference]: With dead ends: 17102 [2022-11-25 18:01:29,893 INFO L226 Difference]: Without dead ends: 10016 [2022-11-25 18:01:30,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:01:30,006 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 329 mSDsluCounter, 9892 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:30,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 11382 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 18:01:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10016 states. [2022-11-25 18:01:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10016 to 7104. [2022-11-25 18:01:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7104 states, 5202 states have (on average 1.3252595155709344) internal successors, (6894), 5332 states have internal predecessors, (6894), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-11-25 18:01:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7104 states to 7104 states and 10019 transitions. [2022-11-25 18:01:30,815 INFO L78 Accepts]: Start accepts. Automaton has 7104 states and 10019 transitions. Word has length 187 [2022-11-25 18:01:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:30,816 INFO L495 AbstractCegarLoop]: Abstraction has 7104 states and 10019 transitions. [2022-11-25 18:01:30,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 18:01:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7104 states and 10019 transitions. [2022-11-25 18:01:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 18:01:30,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:30,824 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:01:30,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:01:31,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:31,049 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:01:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:31,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2093646752, now seen corresponding path program 1 times [2022-11-25 18:01:31,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:01:31,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512369620] [2022-11-25 18:01:31,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:31,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:01:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:01:31,056 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:01:31,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2ff568-71f6-4f38-94b8-b734d00d5267/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process