./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.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_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- 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 17:04:59,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:04:59,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:04:59,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:04:59,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:04:59,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:04:59,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:04:59,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:04:59,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:04:59,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:04:59,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:04:59,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:04:59,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:04:59,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:04:59,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:04:59,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:04:59,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:04:59,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:04:59,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:04:59,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:04:59,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:04:59,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:04:59,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:04:59,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:04:59,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:04:59,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:04:59,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:04:59,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:04:59,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:04:59,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:04:59,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:04:59,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:04:59,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:04:59,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:04:59,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:04:59,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:04:59,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:04:59,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:04:59,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:04:59,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:04:59,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:04:59,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:05:00,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:05:00,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:05:00,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:05:00,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:05:00,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:05:00,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:05:00,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:05:00,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:05:00,042 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:05:00,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:05:00,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:05:00,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:05:00,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:05:00,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:05:00,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:05:00,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:05:00,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:05:00,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:05:00,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:05:00,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:05:00,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:05:00,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:05:00,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:05:00,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:05:00,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:05:00,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:05:00,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:05:00,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:05:00,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:05:00,049 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:05:00,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:05:00,049 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-11-25 17:05:00,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:05:00,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:05:00,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:05:00,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:05:00,427 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:05:00,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:05:03,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:05:03,980 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:05:03,981 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:05:04,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/22491fa3e/8da58870c064445097eb807e66f82981/FLAGb3e69d9a5 [2022-11-25 17:05:04,026 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/22491fa3e/8da58870c064445097eb807e66f82981 [2022-11-25 17:05:04,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:05:04,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:05:04,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:05:04,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:05:04,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:05:04,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:04" (1/1) ... [2022-11-25 17:05:04,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:04, skipping insertion in model container [2022-11-25 17:05:04,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:04" (1/1) ... [2022-11-25 17:05:04,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:05:04,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:05:04,740 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:05:04,784 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:05:04,790 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:05:04,842 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:05:04,845 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:05:04,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:05:04,897 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:05:04,902 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 17:05:04,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:04,941 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 17:05:04,949 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 17:05:04,998 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-11-25 17:05:05,055 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:05:05,057 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:05:05,060 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:05:05,068 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 17:05:05,075 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:05:05,078 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:05:05,186 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 17:05:05,189 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 17:05:05,268 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 17:05:05,278 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:05:05,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:05:05,325 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,329 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,333 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,334 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,338 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,340 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,342 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,346 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,358 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,359 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,361 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,363 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,364 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,364 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,365 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,368 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,369 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,378 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,379 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,380 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,382 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,383 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,383 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,384 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,389 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,391 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,393 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,398 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,401 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,402 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,402 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,406 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,407 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,408 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,416 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,480 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,481 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,481 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,494 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,513 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,522 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 17:05:05,530 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:05:05,532 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:05:05,533 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:05,535 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:05,536 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:05,542 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 17:05:05,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,544 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 17:05:05,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,546 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:05:05,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:05:05,550 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:05,551 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:05,551 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:05,552 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:05,554 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:05:05,557 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:05:05,557 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:05:05,558 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:05,559 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:05,559 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:05,562 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:05,564 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:05,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,590 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:05:05,598 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 17:05:05,598 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 17:05:05,599 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 17:05:05,600 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:05,601 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 17:05:05,601 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:05,602 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:05:05,602 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:05,603 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:05:05,603 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 17:05:05,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:05,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:05,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:05,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:05:05,686 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:05:05,756 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:05:05,758 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:05:05,758 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:05:05,760 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:05:05,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:05:05,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:05:05,763 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:05:05,764 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 17:05:05,769 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:05,770 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 17:05:05,773 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 17:05:05,777 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-11-25 17:05:05,780 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:05:05,781 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:05:05,782 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:05:05,782 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 17:05:05,784 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:05:05,784 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:05:05,792 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 17:05:05,793 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 17:05:05,887 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 17:05:05,891 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:05:05,916 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:05:05,917 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,920 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,921 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,921 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:05,922 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,926 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,929 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,930 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,937 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,937 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,940 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,942 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,943 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,943 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,943 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,950 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,952 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,957 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,960 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,964 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,965 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,965 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,969 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,970 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,975 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,977 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,980 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:05:05,980 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:05:05,981 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:05:05,982 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:05,982 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,983 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:05,983 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,992 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:05,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:05,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,020 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:06,020 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:06,020 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:05:06,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,035 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:05:06,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,037 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 17:05:06,037 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:05:06,038 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:05:06,039 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:06,041 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:06,042 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:06,046 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 17:05:06,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,047 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 17:05:06,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,049 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:05:06,051 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:05:06,052 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:06,053 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:06,053 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:06,054 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:05:06,055 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:05:06,059 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:05:06,060 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:05:06,060 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:06,061 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:06,061 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:05:06,063 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:06,065 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:05:06,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,079 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:05:06,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:05:06,082 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:05:06,085 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:05:06,090 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 17:05:06,091 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 17:05:06,091 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 17:05:06,092 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:06,092 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 17:05:06,093 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:06,093 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:05:06,094 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:05:06,098 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:05:06,099 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 17:05:06,111 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:06,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:06,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:05:06,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:05:06,195 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:05:06,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06 WrapperNode [2022-11-25 17:05:06,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:05:06,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:05:06,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:05:06,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:05:06,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,516 INFO L138 Inliner]: procedures = 203, calls = 1279, calls flagged for inlining = 87, calls inlined = 87, statements flattened = 3473 [2022-11-25 17:05:06,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:05:06,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:05:06,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:05:06,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:05:06,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:05:06,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:05:06,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:05:06,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:05:06,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (1/1) ... [2022-11-25 17:05:06,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:05:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:05:06,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:05:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:05:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-11-25 17:05:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-11-25 17:05:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-25 17:05:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-25 17:05:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:05:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:05:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:05:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:05:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-11-25 17:05:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-11-25 17:05:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-11-25 17:05:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-11-25 17:05:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-11-25 17:05:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-11-25 17:05:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 17:05:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 17:05:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:05:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:05:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-11-25 17:05:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-11-25 17:05:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-11-25 17:05:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-11-25 17:05:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 17:05:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 17:05:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-11-25 17:05:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-11-25 17:05:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 17:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 17:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-11-25 17:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-11-25 17:05:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:05:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-25 17:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-25 17:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-11-25 17:05:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-11-25 17:05:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-11-25 17:05:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-11-25 17:05:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-11-25 17:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-11-25 17:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 17:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 17:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 17:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 17:05:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-25 17:05:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-25 17:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 17:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 17:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:05:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-25 17:05:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-25 17:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 17:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 17:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 17:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 17:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-25 17:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-25 17:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 17:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 17:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-11-25 17:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-11-25 17:05:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 17:05:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 17:05:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 17:05:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 17:05:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:05:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 17:05:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 17:05:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 17:05:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 17:05:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-25 17:05:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-25 17:05:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 17:05:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 17:05:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:05:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:05:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-11-25 17:05:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-11-25 17:05:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:05:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:05:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-11-25 17:05:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-11-25 17:05:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-25 17:05:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-25 17:05:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:05:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-11-25 17:05:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-11-25 17:05:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-11-25 17:05:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-11-25 17:05:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-11-25 17:05:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-11-25 17:05:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:05:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:05:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-11-25 17:05:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-11-25 17:05:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:05:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-25 17:05:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-11-25 17:05:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-11-25 17:05:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-25 17:05:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-11-25 17:05:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-11-25 17:05:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 17:05:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 17:05:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:05:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:05:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 17:05:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-11-25 17:05:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-11-25 17:05:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-11-25 17:05:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-11-25 17:05:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-25 17:05:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-25 17:05:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 17:05:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 17:05:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 17:05:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 17:05:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-11-25 17:05:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-11-25 17:05:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 17:05:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 17:05:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 17:05:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 17:05:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-11-25 17:05:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-11-25 17:05:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-11-25 17:05:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-11-25 17:05:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 17:05:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 17:05:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-11-25 17:05:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-11-25 17:05:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 17:05:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 17:05:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-11-25 17:05:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-11-25 17:05:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:05:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 17:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 17:05:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:05:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 17:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 17:05:07,676 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:05:07,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:05:08,004 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:05:28,146 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:05:28,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:05:28,178 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:05:28,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:28 BoogieIcfgContainer [2022-11-25 17:05:28,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:05:28,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:05:28,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:05:28,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:05:28,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:05:04" (1/3) ... [2022-11-25 17:05:28,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754e37d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:05:28, skipping insertion in model container [2022-11-25 17:05:28,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06" (2/3) ... [2022-11-25 17:05:28,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754e37d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:05:28, skipping insertion in model container [2022-11-25 17:05:28,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:28" (3/3) ... [2022-11-25 17:05:28,201 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:05:28,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:05:28,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:05:28,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:05:28,348 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;@5f0ae972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:05:28,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:05:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 1267 states, 876 states have (on average 1.384703196347032) internal successors, (1213), 919 states have internal predecessors, (1213), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) [2022-11-25 17:05:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 17:05:28,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:28,392 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:28,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:05:28,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash -995595429, now seen corresponding path program 1 times [2022-11-25 17:05:28,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:28,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337850255] [2022-11-25 17:05:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:05:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:05:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:05:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:05:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:05:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:05:29,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337850255] [2022-11-25 17:05:29,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337850255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:29,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:29,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:05:29,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994336180] [2022-11-25 17:05:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:29,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:05:29,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:29,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:05:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:29,559 INFO L87 Difference]: Start difference. First operand has 1267 states, 876 states have (on average 1.384703196347032) internal successors, (1213), 919 states have internal predecessors, (1213), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:05:31,647 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 17:05:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:42,100 INFO L93 Difference]: Finished difference Result 4313 states and 6586 transitions. [2022-11-25 17:05:42,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:42,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 56 [2022-11-25 17:05:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:42,156 INFO L225 Difference]: With dead ends: 4313 [2022-11-25 17:05:42,156 INFO L226 Difference]: Without dead ends: 3032 [2022-11-25 17:05:42,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:05:42,182 INFO L413 NwaCegarLoop]: 1549 mSDtfsCounter, 3947 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 1911 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4265 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1911 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:42,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4265 Valid, 3574 Invalid, 4100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1911 Valid, 2188 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-11-25 17:05:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-11-25 17:05:42,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2318. [2022-11-25 17:05:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1592 states have (on average 1.3574120603015076) internal successors, (2161), 1653 states have internal predecessors, (2161), 602 states have call successors, (602), 125 states have call predecessors, (602), 123 states have return successors, (590), 581 states have call predecessors, (590), 590 states have call successors, (590) [2022-11-25 17:05:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3353 transitions. [2022-11-25 17:05:42,449 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3353 transitions. Word has length 56 [2022-11-25 17:05:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:42,450 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 3353 transitions. [2022-11-25 17:05:42,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:05:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3353 transitions. [2022-11-25 17:05:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 17:05:42,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:42,455 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:42,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:05:42,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:05:42,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:42,456 INFO L85 PathProgramCache]: Analyzing trace with hash -799669199, now seen corresponding path program 1 times [2022-11-25 17:05:42,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:42,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602686766] [2022-11-25 17:05:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:42,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:05:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:05:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:05:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:05:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:05:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:05:42,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:42,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602686766] [2022-11-25 17:05:42,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602686766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:42,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:42,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:05:42,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079114018] [2022-11-25 17:05:42,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:42,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:05:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:42,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:05:42,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:42,962 INFO L87 Difference]: Start difference. First operand 2318 states and 3353 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:05:45,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:57,606 INFO L93 Difference]: Finished difference Result 8312 states and 12368 transitions. [2022-11-25 17:05:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:57,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 57 [2022-11-25 17:05:57,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:57,657 INFO L225 Difference]: With dead ends: 8312 [2022-11-25 17:05:57,657 INFO L226 Difference]: Without dead ends: 6009 [2022-11-25 17:05:57,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:05:57,670 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 3184 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 1064 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 4359 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:57,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 4359 Invalid, 3846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1064 Valid, 2781 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-11-25 17:05:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6009 states. [2022-11-25 17:05:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6009 to 4581. [2022-11-25 17:05:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 3155 states have (on average 1.358795562599049) internal successors, (4287), 3268 states have internal predecessors, (4287), 1182 states have call successors, (1182), 247 states have call predecessors, (1182), 243 states have return successors, (1164), 1149 states have call predecessors, (1164), 1164 states have call successors, (1164) [2022-11-25 17:05:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6633 transitions. [2022-11-25 17:05:57,961 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6633 transitions. Word has length 57 [2022-11-25 17:05:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:57,962 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6633 transitions. [2022-11-25 17:05:57,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:05:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6633 transitions. [2022-11-25 17:05:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 17:05:57,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:57,968 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:57,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:05:57,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:05:57,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash 555911072, now seen corresponding path program 1 times [2022-11-25 17:05:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:57,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770920037] [2022-11-25 17:05:57,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:05:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:05:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:05:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:05:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:05:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:05:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:05:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:58,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770920037] [2022-11-25 17:05:58,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770920037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:58,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:58,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836593020] [2022-11-25 17:05:58,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:58,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:58,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:58,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:58,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:58,526 INFO L87 Difference]: Start difference. First operand 4581 states and 6633 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:06:00,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:02,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:11,449 INFO L93 Difference]: Finished difference Result 14969 states and 21969 transitions. [2022-11-25 17:06:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:06:11,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2022-11-25 17:06:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:11,611 INFO L225 Difference]: With dead ends: 14969 [2022-11-25 17:06:11,611 INFO L226 Difference]: Without dead ends: 10403 [2022-11-25 17:06:11,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:11,634 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 2259 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 818 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:11,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 3594 Invalid, 2704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [818 Valid, 1884 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2022-11-25 17:06:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10403 states. [2022-11-25 17:06:12,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10403 to 8899. [2022-11-25 17:06:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8899 states, 6122 states have (on average 1.3605031035609279) internal successors, (8329), 6330 states have internal predecessors, (8329), 2294 states have call successors, (2294), 487 states have call predecessors, (2294), 482 states have return successors, (2276), 2249 states have call predecessors, (2276), 2276 states have call successors, (2276) [2022-11-25 17:06:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8899 states to 8899 states and 12899 transitions. [2022-11-25 17:06:12,233 INFO L78 Accepts]: Start accepts. Automaton has 8899 states and 12899 transitions. Word has length 59 [2022-11-25 17:06:12,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:12,234 INFO L495 AbstractCegarLoop]: Abstraction has 8899 states and 12899 transitions. [2022-11-25 17:06:12,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:06:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 8899 states and 12899 transitions. [2022-11-25 17:06:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 17:06:12,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:12,240 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:06:12,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1208564619, now seen corresponding path program 1 times [2022-11-25 17:06:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045015728] [2022-11-25 17:06:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:06:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:06:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:06:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:06:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:06:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:06:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 17:06:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:06:12,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:12,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045015728] [2022-11-25 17:06:12,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045015728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:12,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:12,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:06:12,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198816828] [2022-11-25 17:06:12,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:12,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:06:12,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:12,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:06:12,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:12,843 INFO L87 Difference]: Start difference. First operand 8899 states and 12899 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:06:14,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:24,551 INFO L93 Difference]: Finished difference Result 32330 states and 48150 transitions. [2022-11-25 17:06:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:06:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-11-25 17:06:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:24,720 INFO L225 Difference]: With dead ends: 32330 [2022-11-25 17:06:24,720 INFO L226 Difference]: Without dead ends: 23443 [2022-11-25 17:06:24,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:06:24,772 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 3931 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1877 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4252 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1877 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4252 Valid, 3630 Invalid, 4073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1877 Valid, 2195 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 17:06:24,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23443 states. [2022-11-25 17:06:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23443 to 17722. [2022-11-25 17:06:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17722 states, 12205 states have (on average 1.3609995903318313) internal successors, (16611), 12609 states have internal predecessors, (16611), 4558 states have call successors, (4558), 966 states have call predecessors, (4558), 958 states have return successors, (4538), 4482 states have call predecessors, (4538), 4538 states have call successors, (4538) [2022-11-25 17:06:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17722 states to 17722 states and 25707 transitions. [2022-11-25 17:06:26,426 INFO L78 Accepts]: Start accepts. Automaton has 17722 states and 25707 transitions. Word has length 75 [2022-11-25 17:06:26,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:26,428 INFO L495 AbstractCegarLoop]: Abstraction has 17722 states and 25707 transitions. [2022-11-25 17:06:26,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:06:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 17722 states and 25707 transitions. [2022-11-25 17:06:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 17:06:26,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:26,435 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:26,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:06:26,435 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:26,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash -955211715, now seen corresponding path program 1 times [2022-11-25 17:06:26,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:26,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728417197] [2022-11-25 17:06:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:06:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:06:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:06:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:06:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:06:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:06:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:06:29,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:29,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728417197] [2022-11-25 17:06:29,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728417197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:29,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:29,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-25 17:06:29,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222844976] [2022-11-25 17:06:29,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:29,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:06:29,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:29,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:06:29,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:06:29,888 INFO L87 Difference]: Start difference. First operand 17722 states and 25707 transitions. Second operand has 15 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 17:06:31,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:33,976 WARN L539 Checker$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 17:07:14,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:14,240 INFO L93 Difference]: Finished difference Result 61610 states and 92333 transitions. [2022-11-25 17:07:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-25 17:07:14,241 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-11-25 17:07:14,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:14,523 INFO L225 Difference]: With dead ends: 61610 [2022-11-25 17:07:14,524 INFO L226 Difference]: Without dead ends: 43903 [2022-11-25 17:07:14,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2022-11-25 17:07:14,620 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 4194 mSDsluCounter, 16161 mSDsCounter, 0 mSdLazyCounter, 14325 mSolverCounterSat, 1492 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 17909 SdHoareTripleChecker+Invalid, 15819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1492 IncrementalHoareTripleChecker+Valid, 14325 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:14,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 17909 Invalid, 15819 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1492 Valid, 14325 Invalid, 2 Unknown, 0 Unchecked, 40.8s Time] [2022-11-25 17:07:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43903 states. [2022-11-25 17:07:17,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43903 to 30830. [2022-11-25 17:07:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30830 states, 21219 states have (on average 1.3616098779395824) internal successors, (28892), 21930 states have internal predecessors, (28892), 7932 states have call successors, (7932), 1674 states have call predecessors, (7932), 1678 states have return successors, (7954), 7813 states have call predecessors, (7954), 7912 states have call successors, (7954) [2022-11-25 17:07:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30830 states to 30830 states and 44778 transitions. [2022-11-25 17:07:17,279 INFO L78 Accepts]: Start accepts. Automaton has 30830 states and 44778 transitions. Word has length 77 [2022-11-25 17:07:17,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:17,280 INFO L495 AbstractCegarLoop]: Abstraction has 30830 states and 44778 transitions. [2022-11-25 17:07:17,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 17:07:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 30830 states and 44778 transitions. [2022-11-25 17:07:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-25 17:07:17,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:17,287 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:17,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:07:17,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:17,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:17,288 INFO L85 PathProgramCache]: Analyzing trace with hash 205775273, now seen corresponding path program 1 times [2022-11-25 17:07:17,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:17,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242458849] [2022-11-25 17:07:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:17,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:07:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:07:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:07:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:07:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:07:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:07:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:07:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:07:17,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:17,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242458849] [2022-11-25 17:07:17,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242458849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:17,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:17,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:07:17,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494725427] [2022-11-25 17:07:17,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:17,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:07:17,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:17,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:07:17,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:07:17,951 INFO L87 Difference]: Start difference. First operand 30830 states and 44778 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:07:20,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:07:22,027 WARN L539 Checker$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 17:07:24,051 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 17:07:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:35,725 INFO L93 Difference]: Finished difference Result 71564 states and 106123 transitions. [2022-11-25 17:07:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:35,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-11-25 17:07:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:35,996 INFO L225 Difference]: With dead ends: 71564 [2022-11-25 17:07:35,996 INFO L226 Difference]: Without dead ends: 40749 [2022-11-25 17:07:36,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:07:36,106 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 2860 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 2773 mSolverCounterSat, 1234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3172 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1234 IncrementalHoareTripleChecker+Valid, 2773 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:36,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3172 Valid, 5396 Invalid, 4010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1234 Valid, 2773 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2022-11-25 17:07:36,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40749 states. [2022-11-25 17:07:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40749 to 30811. [2022-11-25 17:07:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30811 states, 21200 states have (on average 1.361179245283019) internal successors, (28857), 21913 states have internal predecessors, (28857), 7932 states have call successors, (7932), 1674 states have call predecessors, (7932), 1678 states have return successors, (7954), 7811 states have call predecessors, (7954), 7912 states have call successors, (7954) [2022-11-25 17:07:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30811 states to 30811 states and 44743 transitions. [2022-11-25 17:07:38,548 INFO L78 Accepts]: Start accepts. Automaton has 30811 states and 44743 transitions. Word has length 92 [2022-11-25 17:07:38,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:38,550 INFO L495 AbstractCegarLoop]: Abstraction has 30811 states and 44743 transitions. [2022-11-25 17:07:38,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:07:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 30811 states and 44743 transitions. [2022-11-25 17:07:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 17:07:38,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:38,556 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:07:38,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:07:38,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:38,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1283807230, now seen corresponding path program 1 times [2022-11-25 17:07:38,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:38,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954073332] [2022-11-25 17:07:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:38,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:07:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:07:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:07:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:07:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:07:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:07:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:07:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 17:07:43,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:43,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954073332] [2022-11-25 17:07:43,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954073332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:43,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:43,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-25 17:07:43,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408313036] [2022-11-25 17:07:43,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:43,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 17:07:43,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:43,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 17:07:43,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:07:43,887 INFO L87 Difference]: Start difference. First operand 30811 states and 44743 transitions. Second operand has 17 states, 15 states have (on average 3.533333333333333) internal successors, (53), 12 states have internal predecessors, (53), 5 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 17:07:45,929 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 17:08:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:08:33,011 INFO L93 Difference]: Finished difference Result 91961 states and 137380 transitions. [2022-11-25 17:08:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-25 17:08:33,012 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.533333333333333) internal successors, (53), 12 states have internal predecessors, (53), 5 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 98 [2022-11-25 17:08:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:08:33,742 INFO L225 Difference]: With dead ends: 91961 [2022-11-25 17:08:33,742 INFO L226 Difference]: Without dead ends: 61165 [2022-11-25 17:08:33,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=193, Invalid=1367, Unknown=0, NotChecked=0, Total=1560 [2022-11-25 17:08:33,993 INFO L413 NwaCegarLoop]: 1757 mSDtfsCounter, 4654 mSDsluCounter, 17989 mSDsCounter, 0 mSdLazyCounter, 15593 mSolverCounterSat, 1718 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 19746 SdHoareTripleChecker+Invalid, 17312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1718 IncrementalHoareTripleChecker+Valid, 15593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:08:33,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5036 Valid, 19746 Invalid, 17312 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1718 Valid, 15593 Invalid, 1 Unknown, 0 Unchecked, 42.9s Time] [2022-11-25 17:08:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61165 states. [2022-11-25 17:08:36,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61165 to 36326. [2022-11-25 17:08:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36326 states, 24995 states have (on average 1.3610722144428886) internal successors, (34020), 25837 states have internal predecessors, (34020), 9350 states have call successors, (9350), 1976 states have call predecessors, (9350), 1980 states have return successors, (9378), 9205 states have call predecessors, (9378), 9330 states have call successors, (9378) [2022-11-25 17:08:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36326 states to 36326 states and 52748 transitions. [2022-11-25 17:08:37,255 INFO L78 Accepts]: Start accepts. Automaton has 36326 states and 52748 transitions. Word has length 98 [2022-11-25 17:08:37,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:08:37,256 INFO L495 AbstractCegarLoop]: Abstraction has 36326 states and 52748 transitions. [2022-11-25 17:08:37,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.533333333333333) internal successors, (53), 12 states have internal predecessors, (53), 5 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 17:08:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 36326 states and 52748 transitions. [2022-11-25 17:08:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:08:37,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:08:37,263 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:08:37,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:08:37,264 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:08:37,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:08:37,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2128064811, now seen corresponding path program 1 times [2022-11-25 17:08:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:08:37,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288474342] [2022-11-25 17:08:37,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:08:37,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:08:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:08:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:08:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:08:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:08:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:08:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:08:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:08:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:08:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:08:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:08:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:08:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:08:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 17:08:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 17:08:41,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:08:41,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288474342] [2022-11-25 17:08:41,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288474342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:08:41,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:08:41,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-25 17:08:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315318152] [2022-11-25 17:08:41,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:08:41,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 17:08:41,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:08:41,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 17:08:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:08:41,918 INFO L87 Difference]: Start difference. First operand 36326 states and 52748 transitions. Second operand has 17 states, 15 states have (on average 4.0) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-11-25 17:08:43,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:08:46,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:08:48,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:44,669 INFO L93 Difference]: Finished difference Result 78577 states and 116404 transitions. [2022-11-25 17:09:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 17:09:44,670 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 110 [2022-11-25 17:09:44,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:44,906 INFO L225 Difference]: With dead ends: 78577 [2022-11-25 17:09:44,907 INFO L226 Difference]: Without dead ends: 42266 [2022-11-25 17:09:45,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=188, Invalid=1294, Unknown=0, NotChecked=0, Total=1482 [2022-11-25 17:09:45,018 INFO L413 NwaCegarLoop]: 2659 mSDtfsCounter, 3207 mSDsluCounter, 28727 mSDsCounter, 0 mSdLazyCounter, 19817 mSolverCounterSat, 1198 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 31386 SdHoareTripleChecker+Invalid, 21018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 19817 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:45,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3534 Valid, 31386 Invalid, 21018 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1198 Valid, 19817 Invalid, 3 Unknown, 0 Unchecked, 56.6s Time] [2022-11-25 17:09:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42266 states. [2022-11-25 17:09:47,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42266 to 31693. [2022-11-25 17:09:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31693 states, 21782 states have (on average 1.3618584152052153) internal successors, (29664), 22517 states have internal predecessors, (29664), 8183 states have call successors, (8183), 1722 states have call predecessors, (8183), 1727 states have return successors, (8213), 8062 states have call predecessors, (8213), 8171 states have call successors, (8213) [2022-11-25 17:09:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31693 states to 31693 states and 46060 transitions. [2022-11-25 17:09:47,862 INFO L78 Accepts]: Start accepts. Automaton has 31693 states and 46060 transitions. Word has length 110 [2022-11-25 17:09:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:47,863 INFO L495 AbstractCegarLoop]: Abstraction has 31693 states and 46060 transitions. [2022-11-25 17:09:47,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-11-25 17:09:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31693 states and 46060 transitions. [2022-11-25 17:09:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 17:09:47,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:47,871 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:47,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:09:47,871 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:09:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1772420121, now seen corresponding path program 1 times [2022-11-25 17:09:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:47,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442038921] [2022-11-25 17:09:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:09:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:09:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:09:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:09:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:09:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:09:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:09:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:09:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:09:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:09:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-25 17:09:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:09:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:09:48,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:48,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442038921] [2022-11-25 17:09:48,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442038921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:48,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:48,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:09:48,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234202006] [2022-11-25 17:09:48,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:48,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:09:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:48,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:09:48,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:09:48,942 INFO L87 Difference]: Start difference. First operand 31693 states and 46060 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:09:50,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:53,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:25,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:25,301 INFO L93 Difference]: Finished difference Result 68806 states and 102137 transitions. [2022-11-25 17:10:25,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:10:25,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2022-11-25 17:10:25,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:25,507 INFO L225 Difference]: With dead ends: 68806 [2022-11-25 17:10:25,507 INFO L226 Difference]: Without dead ends: 37128 [2022-11-25 17:10:25,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:10:25,611 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 3495 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 10102 mSolverCounterSat, 1411 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3751 SdHoareTripleChecker+Valid, 4506 SdHoareTripleChecker+Invalid, 11515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1411 IncrementalHoareTripleChecker+Valid, 10102 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:25,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3751 Valid, 4506 Invalid, 11515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1411 Valid, 10102 Invalid, 2 Unknown, 0 Unchecked, 32.2s Time] [2022-11-25 17:10:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37128 states. [2022-11-25 17:10:28,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37128 to 25175. [2022-11-25 17:10:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25175 states, 17303 states have (on average 1.3613246257874356) internal successors, (23555), 17884 states have internal predecessors, (23555), 6495 states have call successors, (6495), 1374 states have call predecessors, (6495), 1376 states have return successors, (6518), 6399 states have call predecessors, (6518), 6485 states have call successors, (6518) [2022-11-25 17:10:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25175 states to 25175 states and 36568 transitions. [2022-11-25 17:10:28,189 INFO L78 Accepts]: Start accepts. Automaton has 25175 states and 36568 transitions. Word has length 104 [2022-11-25 17:10:28,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:28,190 INFO L495 AbstractCegarLoop]: Abstraction has 25175 states and 36568 transitions. [2022-11-25 17:10:28,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:10:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 25175 states and 36568 transitions. [2022-11-25 17:10:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 17:10:28,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:28,197 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:28,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:10:28,198 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:10:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:28,198 INFO L85 PathProgramCache]: Analyzing trace with hash 986845812, now seen corresponding path program 1 times [2022-11-25 17:10:28,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:28,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337300299] [2022-11-25 17:10:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:28,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:10:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:10:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:10:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:10:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:10:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:10:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:10:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:10:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:10:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 17:10:29,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337300299] [2022-11-25 17:10:29,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337300299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181597026] [2022-11-25 17:10:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:29,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:29,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:29,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:29,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:10:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:30,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-25 17:10:30,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:10:31,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:31,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181597026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:31,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:31,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2022-11-25 17:10:31,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326906108] [2022-11-25 17:10:31,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:31,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:10:31,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:31,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:10:31,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:10:31,019 INFO L87 Difference]: Start difference. First operand 25175 states and 36568 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:33,548 INFO L93 Difference]: Finished difference Result 26316 states and 38378 transitions. [2022-11-25 17:10:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:10:33,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2022-11-25 17:10:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:33,612 INFO L225 Difference]: With dead ends: 26316 [2022-11-25 17:10:33,613 INFO L226 Difference]: Without dead ends: 15395 [2022-11-25 17:10:33,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:10:33,647 INFO L413 NwaCegarLoop]: 2088 mSDtfsCounter, 1469 mSDsluCounter, 7780 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 9868 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:33,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 9868 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:10:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15395 states. [2022-11-25 17:10:34,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15395 to 14314. [2022-11-25 17:10:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14314 states, 9843 states have (on average 1.3590368790003047) internal successors, (13377), 10171 states have internal predecessors, (13377), 3682 states have call successors, (3682), 787 states have call predecessors, (3682), 788 states have return successors, (3692), 3628 states have call predecessors, (3692), 3674 states have call successors, (3692) [2022-11-25 17:10:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14314 states to 14314 states and 20751 transitions. [2022-11-25 17:10:35,032 INFO L78 Accepts]: Start accepts. Automaton has 14314 states and 20751 transitions. Word has length 104 [2022-11-25 17:10:35,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:35,033 INFO L495 AbstractCegarLoop]: Abstraction has 14314 states and 20751 transitions. [2022-11-25 17:10:35,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14314 states and 20751 transitions. [2022-11-25 17:10:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 17:10:35,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:35,040 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:10:35,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:10:35,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 17:10:35,253 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:10:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:35,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1047354222, now seen corresponding path program 1 times [2022-11-25 17:10:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:35,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802885217] [2022-11-25 17:10:35,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:35,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:10:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:10:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:10:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:10:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:10:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:10:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:10:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:10:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:10:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 17:10:36,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:36,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802885217] [2022-11-25 17:10:36,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802885217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:36,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:36,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:10:36,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227219612] [2022-11-25 17:10:36,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:36,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:36,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:36,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:36,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:36,416 INFO L87 Difference]: Start difference. First operand 14314 states and 20751 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:10:38,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:59,811 INFO L93 Difference]: Finished difference Result 19947 states and 30161 transitions. [2022-11-25 17:10:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:10:59,812 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2022-11-25 17:10:59,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:59,866 INFO L225 Difference]: With dead ends: 19947 [2022-11-25 17:10:59,866 INFO L226 Difference]: Without dead ends: 15588 [2022-11-25 17:10:59,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:10:59,881 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 2450 mSDsluCounter, 11975 mSDsCounter, 0 mSdLazyCounter, 7450 mSolverCounterSat, 1039 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 13784 SdHoareTripleChecker+Invalid, 8490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 7450 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:59,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 13784 Invalid, 8490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1039 Valid, 7450 Invalid, 1 Unknown, 0 Unchecked, 20.8s Time] [2022-11-25 17:10:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15588 states. [2022-11-25 17:11:00,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15588 to 9982. [2022-11-25 17:11:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9982 states, 6867 states have (on average 1.3566331731469345) internal successors, (9316), 7096 states have internal predecessors, (9316), 2561 states have call successors, (2561), 553 states have call predecessors, (2561), 553 states have return successors, (2565), 2521 states have call predecessors, (2565), 2553 states have call successors, (2565) [2022-11-25 17:11:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 14442 transitions. [2022-11-25 17:11:00,902 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 14442 transitions. Word has length 107 [2022-11-25 17:11:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:00,902 INFO L495 AbstractCegarLoop]: Abstraction has 9982 states and 14442 transitions. [2022-11-25 17:11:00,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:11:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 14442 transitions. [2022-11-25 17:11:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:11:00,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:00,910 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:11:00,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:11:00,911 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:11:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:00,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1809682982, now seen corresponding path program 1 times [2022-11-25 17:11:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:00,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044220720] [2022-11-25 17:11:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:11:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:11:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:11:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:11:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:11:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:11:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:11:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:11:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:11:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:11:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 17:11:01,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:01,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044220720] [2022-11-25 17:11:01,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044220720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:01,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:01,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:01,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042522656] [2022-11-25 17:11:01,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:01,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:11:01,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:01,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:11:01,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:11:01,887 INFO L87 Difference]: Start difference. First operand 9982 states and 14442 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:11:03,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:05,961 WARN L539 Checker$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 17:11:21,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:21,052 INFO L93 Difference]: Finished difference Result 23137 states and 34200 transitions. [2022-11-25 17:11:21,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 17:11:21,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2022-11-25 17:11:21,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:21,100 INFO L225 Difference]: With dead ends: 23137 [2022-11-25 17:11:21,100 INFO L226 Difference]: Without dead ends: 13170 [2022-11-25 17:11:21,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:11:21,125 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 2122 mSDsluCounter, 6540 mSDsCounter, 0 mSdLazyCounter, 4504 mSolverCounterSat, 877 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 8198 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 4504 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:21,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 8198 Invalid, 5383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [877 Valid, 4504 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2022-11-25 17:11:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13170 states. [2022-11-25 17:11:22,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13170 to 9964. [2022-11-25 17:11:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 6855 states have (on average 1.3566739606126914) internal successors, (9300), 7084 states have internal predecessors, (9300), 2557 states have call successors, (2557), 549 states have call predecessors, (2557), 551 states have return successors, (2561), 2519 states have call predecessors, (2561), 2549 states have call successors, (2561) [2022-11-25 17:11:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 14418 transitions. [2022-11-25 17:11:22,156 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 14418 transitions. Word has length 110 [2022-11-25 17:11:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:22,157 INFO L495 AbstractCegarLoop]: Abstraction has 9964 states and 14418 transitions. [2022-11-25 17:11:22,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:11:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 14418 transitions. [2022-11-25 17:11:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 17:11:22,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:22,165 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:11:22,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:11:22,165 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:11:22,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1697241715, now seen corresponding path program 1 times [2022-11-25 17:11:22,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:22,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896685257] [2022-11-25 17:11:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:11:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:11:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:11:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:11:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:11:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:11:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:11:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:11:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:11:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 17:11:22,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:22,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896685257] [2022-11-25 17:11:22,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896685257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:22,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:22,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:11:22,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524977673] [2022-11-25 17:11:22,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:22,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:11:22,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:22,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:11:22,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:11:22,945 INFO L87 Difference]: Start difference. First operand 9964 states and 14418 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:11:25,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:27,024 WARN L539 Checker$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 17:11:37,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:37,061 INFO L93 Difference]: Finished difference Result 18897 states and 27773 transitions. [2022-11-25 17:11:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:11:37,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2022-11-25 17:11:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:37,093 INFO L225 Difference]: With dead ends: 18897 [2022-11-25 17:11:37,094 INFO L226 Difference]: Without dead ends: 8948 [2022-11-25 17:11:37,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:11:37,114 INFO L413 NwaCegarLoop]: 1506 mSDtfsCounter, 3243 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 2642 mSolverCounterSat, 1359 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 4852 SdHoareTripleChecker+Invalid, 4003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1359 IncrementalHoareTripleChecker+Valid, 2642 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:37,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 4852 Invalid, 4003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1359 Valid, 2642 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-11-25 17:11:37,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2022-11-25 17:11:37,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 6808. [2022-11-25 17:11:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6808 states, 4683 states have (on average 1.3497757847533631) internal successors, (6321), 4840 states have internal predecessors, (6321), 1735 states have call successors, (1735), 387 states have call predecessors, (1735), 389 states have return successors, (1733), 1706 states have call predecessors, (1733), 1727 states have call successors, (1733) [2022-11-25 17:11:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 9789 transitions. [2022-11-25 17:11:37,827 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 9789 transitions. Word has length 109 [2022-11-25 17:11:37,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:37,828 INFO L495 AbstractCegarLoop]: Abstraction has 6808 states and 9789 transitions. [2022-11-25 17:11:37,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:11:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 9789 transitions. [2022-11-25 17:11:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-25 17:11:37,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:37,836 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-25 17:11:37,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:11:37,837 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:11:37,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -442303172, now seen corresponding path program 1 times [2022-11-25 17:11:37,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:37,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572115036] [2022-11-25 17:11:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:11:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:11:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:11:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:11:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:11:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:11:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:11:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:11:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:11:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-25 17:11:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:11:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 17:11:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-25 17:11:42,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:42,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572115036] [2022-11-25 17:11:42,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572115036] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:11:42,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843454463] [2022-11-25 17:11:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:42,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:11:42,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:11:42,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:11:42,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:11:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:46,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-25 17:11:46,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:11:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-25 17:11:47,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:11:47,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843454463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:47,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:11:47,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [16] total 21 [2022-11-25 17:11:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069395679] [2022-11-25 17:11:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:11:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:47,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:11:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:11:47,890 INFO L87 Difference]: Start difference. First operand 6808 states and 9789 transitions. Second operand has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-25 17:11:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:51,041 INFO L93 Difference]: Finished difference Result 10986 states and 15890 transitions. [2022-11-25 17:11:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:11:51,041 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 119 [2022-11-25 17:11:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:51,059 INFO L225 Difference]: With dead ends: 10986 [2022-11-25 17:11:51,059 INFO L226 Difference]: Without dead ends: 5245 [2022-11-25 17:11:51,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-11-25 17:11:51,074 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 441 mSDsluCounter, 27845 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 30244 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:51,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 30244 Invalid, 444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 17:11:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5245 states. [2022-11-25 17:11:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5245 to 4579. [2022-11-25 17:11:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4579 states, 3154 states have (on average 1.3459099556119214) internal successors, (4245), 3256 states have internal predecessors, (4245), 1162 states have call successors, (1162), 263 states have call predecessors, (1162), 262 states have return successors, (1158), 1143 states have call predecessors, (1158), 1155 states have call successors, (1158) [2022-11-25 17:11:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4579 states and 6565 transitions. [2022-11-25 17:11:51,660 INFO L78 Accepts]: Start accepts. Automaton has 4579 states and 6565 transitions. Word has length 119 [2022-11-25 17:11:51,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:51,661 INFO L495 AbstractCegarLoop]: Abstraction has 4579 states and 6565 transitions. [2022-11-25 17:11:51,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-25 17:11:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 6565 transitions. [2022-11-25 17:11:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-25 17:11:51,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:51,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-25 17:11:51,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:11:51,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 17:11:51,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:11:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1769359958, now seen corresponding path program 1 times [2022-11-25 17:11:51,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:51,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013747473] [2022-11-25 17:11:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:11:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:11:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:11:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:11:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:11:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:11:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:11:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:11:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:11:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:11:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:11:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:11:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 17:11:52,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:52,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013747473] [2022-11-25 17:11:52,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013747473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:52,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:52,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:11:52,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036302739] [2022-11-25 17:11:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:52,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:11:52,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:52,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:11:52,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:11:52,489 INFO L87 Difference]: Start difference. First operand 4579 states and 6565 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:11:54,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:56,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:58,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:00,617 WARN L539 Checker$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 17:12:24,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:24,928 INFO L93 Difference]: Finished difference Result 6003 states and 8947 transitions. [2022-11-25 17:12:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:12:24,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2022-11-25 17:12:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:24,951 INFO L225 Difference]: With dead ends: 6003 [2022-11-25 17:12:24,951 INFO L226 Difference]: Without dead ends: 6000 [2022-11-25 17:12:24,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:24,956 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 4068 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 6657 mSolverCounterSat, 2500 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4327 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 9161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2500 IncrementalHoareTripleChecker+Valid, 6657 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:24,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4327 Valid, 1769 Invalid, 9161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2500 Valid, 6657 Invalid, 4 Unknown, 0 Unchecked, 31.0s Time] [2022-11-25 17:12:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6000 states. [2022-11-25 17:12:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6000 to 4578. [2022-11-25 17:12:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4578 states, 3154 states have (on average 1.3449587824984146) internal successors, (4242), 3255 states have internal predecessors, (4242), 1161 states have call successors, (1161), 263 states have call predecessors, (1161), 262 states have return successors, (1158), 1143 states have call predecessors, (1158), 1155 states have call successors, (1158) [2022-11-25 17:12:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 6561 transitions. [2022-11-25 17:12:25,573 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 6561 transitions. Word has length 120 [2022-11-25 17:12:25,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:25,573 INFO L495 AbstractCegarLoop]: Abstraction has 4578 states and 6561 transitions. [2022-11-25 17:12:25,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:12:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 6561 transitions. [2022-11-25 17:12:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:12:25,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:25,578 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-25 17:12:25,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 17:12:25,578 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:12:25,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash 809074741, now seen corresponding path program 1 times [2022-11-25 17:12:25,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:25,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552858363] [2022-11-25 17:12:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:12:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:12:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:12:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:12:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:12:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:12:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:12:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:12:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:12:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:12:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:12:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 17:12:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 17:12:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:12:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-25 17:12:26,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:26,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552858363] [2022-11-25 17:12:26,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552858363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:26,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:26,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-25 17:12:26,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451529619] [2022-11-25 17:12:26,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:26,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:12:26,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:26,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:12:26,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:12:26,895 INFO L87 Difference]: Start difference. First operand 4578 states and 6561 transitions. Second operand has 15 states, 15 states have (on average 4.8) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:12:28,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:30,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:33,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:35,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:13:20,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:20,548 INFO L93 Difference]: Finished difference Result 9536 states and 13971 transitions. [2022-11-25 17:13:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 17:13:20,549 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.8) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2022-11-25 17:13:20,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:20,583 INFO L225 Difference]: With dead ends: 9536 [2022-11-25 17:13:20,583 INFO L226 Difference]: Without dead ends: 5991 [2022-11-25 17:13:20,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:13:20,598 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 2696 mSDsluCounter, 5619 mSDsCounter, 0 mSdLazyCounter, 16796 mSolverCounterSat, 1240 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 6289 SdHoareTripleChecker+Invalid, 18040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 16796 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:20,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 6289 Invalid, 18040 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1240 Valid, 16796 Invalid, 4 Unknown, 0 Unchecked, 51.8s Time] [2022-11-25 17:13:20,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5991 states. [2022-11-25 17:13:21,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5991 to 4548. [2022-11-25 17:13:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4548 states, 3132 states have (on average 1.3467432950191571) internal successors, (4218), 3233 states have internal predecessors, (4218), 1157 states have call successors, (1157), 259 states have call predecessors, (1157), 258 states have return successors, (1154), 1139 states have call predecessors, (1154), 1151 states have call successors, (1154) [2022-11-25 17:13:21,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 6529 transitions. [2022-11-25 17:13:21,339 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 6529 transitions. Word has length 124 [2022-11-25 17:13:21,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:21,339 INFO L495 AbstractCegarLoop]: Abstraction has 4548 states and 6529 transitions. [2022-11-25 17:13:21,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.8) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:13:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 6529 transitions. [2022-11-25 17:13:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 17:13:21,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:21,349 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-25 17:13:21,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 17:13:21,350 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:13:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:21,350 INFO L85 PathProgramCache]: Analyzing trace with hash 663156935, now seen corresponding path program 1 times [2022-11-25 17:13:21,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:21,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070102408] [2022-11-25 17:13:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:13:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:13:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:13:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:13:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:13:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:13:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:13:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:13:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:13:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:13:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:13:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 17:13:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:13:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-25 17:13:21,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:21,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070102408] [2022-11-25 17:13:21,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070102408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:21,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:21,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:13:21,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130774665] [2022-11-25 17:13:21,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:21,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:13:21,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:21,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:13:21,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:13:21,838 INFO L87 Difference]: Start difference. First operand 4548 states and 6529 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 17:13:23,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:13:25,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:13:40,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:40,199 INFO L93 Difference]: Finished difference Result 9443 states and 13867 transitions. [2022-11-25 17:13:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:13:40,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 130 [2022-11-25 17:13:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:40,220 INFO L225 Difference]: With dead ends: 9443 [2022-11-25 17:13:40,220 INFO L226 Difference]: Without dead ends: 5962 [2022-11-25 17:13:40,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:13:40,230 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 2438 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 3341 mSolverCounterSat, 789 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2745 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 4132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 3341 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:40,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2745 Valid, 5969 Invalid, 4132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [789 Valid, 3341 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2022-11-25 17:13:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2022-11-25 17:13:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3388. [2022-11-25 17:13:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 2330 states have (on average 1.3472103004291847) internal successors, (3139), 2404 states have internal predecessors, (3139), 866 states have call successors, (866), 193 states have call predecessors, (866), 191 states have return successors, (862), 853 states have call predecessors, (862), 862 states have call successors, (862) [2022-11-25 17:13:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4867 transitions. [2022-11-25 17:13:40,876 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4867 transitions. Word has length 130 [2022-11-25 17:13:40,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:40,877 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4867 transitions. [2022-11-25 17:13:40,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 17:13:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4867 transitions. [2022-11-25 17:13:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-25 17:13:40,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:40,884 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-25 17:13:40,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 17:13:40,885 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:13:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:40,885 INFO L85 PathProgramCache]: Analyzing trace with hash 923248779, now seen corresponding path program 1 times [2022-11-25 17:13:40,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:40,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832093045] [2022-11-25 17:13:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:13:41,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:13:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:13:41,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:13:41,343 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:13:41,344 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:13:41,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 17:13:41,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:13:41,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:13:41,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:13:41 BoogieIcfgContainer [2022-11-25 17:13:41,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:13:41,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:13:41,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:13:41,661 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:13:41,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:28" (3/4) ... [2022-11-25 17:13:41,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:13:41,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:13:41,665 INFO L158 Benchmark]: Toolchain (without parser) took 517634.78ms. Allocated memory was 163.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 114.9MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2022-11-25 17:13:41,666 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:13:41,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2168.40ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 81.0MB in the end (delta: 33.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2022-11-25 17:13:41,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 314.74ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 81.0MB in the beginning and 169.8MB in the end (delta: -88.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:13:41,671 INFO L158 Benchmark]: Boogie Preprocessor took 236.25ms. Allocated memory is still 234.9MB. Free memory was 169.8MB in the beginning and 146.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 17:13:41,672 INFO L158 Benchmark]: RCFGBuilder took 21430.25ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 989.9MB). Free memory was 146.7MB in the beginning and 656.6MB in the end (delta: -509.9MB). Peak memory consumption was 729.7MB. Max. memory is 16.1GB. [2022-11-25 17:13:41,672 INFO L158 Benchmark]: TraceAbstraction took 493473.30ms. Allocated memory was 1.2GB in the beginning and 4.6GB in the end (delta: 3.4GB). Free memory was 655.5MB in the beginning and 2.4GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-25 17:13:41,674 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 4.6GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:13:41,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2168.40ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 81.0MB in the end (delta: 33.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 314.74ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 81.0MB in the beginning and 169.8MB in the end (delta: -88.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.25ms. Allocated memory is still 234.9MB. Free memory was 169.8MB in the beginning and 146.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 21430.25ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 989.9MB). Free memory was 146.7MB in the beginning and 656.6MB in the end (delta: -509.9MB). Peak memory consumption was 729.7MB. Max. memory is 16.1GB. * TraceAbstraction took 493473.30ms. Allocated memory was 1.2GB in the beginning and 4.6GB in the end (delta: 3.4GB). Free memory was 655.5MB in the beginning and 2.4GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 4.6GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 3238]: 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 5432. Possible FailurePath: [L3261] int LDV_IN_INTERRUPT = 1; [L3262] int ldv_state_variable_2 ; [L3263] int ref_cnt ; [L3264] int ldv_state_variable_1 ; [L3265] struct file *printer_io_operations_group2 ; [L3266] struct inode *printer_io_operations_group1 ; [L3267] int ldv_state_variable_0 ; [L3268] struct usb_gadget *printer_driver_group0 ; [L3752] static unsigned int epnum ; [L3924-L3927] static struct mutex printer_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "printer_mutex.wait_lock", 0, 0UL}}}}, {& printer_mutex.wait_list, & printer_mutex.wait_list}, 0, 0, (void *)(& printer_mutex), {0, 0, "printer_mutex", 0, 0UL}}; [L3928-L3930] static char const shortname[8U] = { 'p', 'r', 'i', 'n', 't', 'e', 'r', '\000'}; [L3931-L3935] static char const driver_desc[15U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3936] static dev_t g_printer_devno ; [L3937] static struct class *usb_gadget_class ; [L3938] static struct printer_dev usb_printer_gadget ; [L3939] static ushort idVendor ; [L3940] static ushort idProduct ; [L3941] static ushort bcdDevice ; [L3942] static char *iManufacturer ; [L3943] static char *iProduct ; [L3944] static char *iSerialNum ; [L3945] static char *iPNPstring ; [L3946] static unsigned int qlen = 10U; [L3947-L3949] static struct usb_device_descriptor device_desc = {18U, 1U, 512U, 0U, 0U, 0U, (unsigned char)0, 1317U, 42152U, (unsigned short)0, 1U, 2U, 3U, 1U}; [L3950] static struct usb_otg_descriptor otg_desc = {3U, 9U, 1U}; [L3951-L3952] static struct usb_config_descriptor config_desc = {9U, 2U, (unsigned short)0, 1U, 1U, 0U, 192U, 1U}; [L3953-L3954] static struct usb_interface_descriptor intf_desc = {9U, 4U, 0U, (unsigned char)0, 2U, 7U, 1U, 2U, 0U}; [L3955-L3956] static struct usb_endpoint_descriptor fs_ep_in_desc = {7U, 5U, 128U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3957-L3958] static struct usb_endpoint_descriptor fs_ep_out_desc = {7U, 5U, 0U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3959-L3960] static struct usb_descriptor_header const *fs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& fs_ep_in_desc), (struct usb_descriptor_header const *)(& fs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3961-L3962] static struct usb_endpoint_descriptor hs_ep_in_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3963-L3964] static struct usb_endpoint_descriptor hs_ep_out_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3965-L3966] static struct usb_qualifier_descriptor dev_qualifier = {10U, 6U, 512U, 7U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L3967-L3968] static struct usb_descriptor_header const *hs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& hs_ep_in_desc), (struct usb_descriptor_header const *)(& hs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3969] static char manufacturer[50U] ; [L3970-L3974] static char product_desc[40U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3975] static char serial_num[40U] = { '1', '\000'}; [L3976-L3987] static char pnp_string[1024U] = { 'X', 'X', 'M', 'F', 'G', ':', 'l', 'i', 'n', 'u', 'x', ';', 'M', 'D', 'L', ':', 'g', '_', 'p', 'r', 'i', 'n', 't', 'e', 'r', ';', 'C', 'L', 'S', ':', 'P', 'R', 'I', 'N', 'T', 'E', 'R', ';', 'S', 'N', ':', '1', ';', '\000'}; [L3988-L3990] static struct usb_string strings[4U] = { {1U, (char const *)(& manufacturer)}, {2U, (char const *)(& product_desc)}, {3U, (char const *)(& serial_num)}}; [L3991] static struct usb_gadget_strings stringtab = {1033U, (struct usb_string *)(& strings)}; [L4632-L4635] static struct file_operations const printer_io_operations = {& __this_module, 0, & printer_read, & printer_write, 0, 0, 0, & printer_poll, & printer_ioctl, 0, 0, & printer_open, 0, & printer_close, & printer_fsync, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L5410-L5413] static struct usb_gadget_driver printer_driver = {(char *)(& driver_desc), 3, & printer_bind, & printer_unbind, & printer_setup, & printer_disconnect, 0, 0, {(char const *)(& shortname), 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5465] int ldv_retval_0 ; [L5466] int ldv_retval_1 ; [L5469] int ldv_retval_3 ; [L5470] int ldv_retval_2 ; [L5894] int ldv_usb_gadget_class = 0; [L5895] int ldv_usb_gadget_chrdev = 0; [L5896] int ldv_usb_gadget = 0; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5494] struct usb_ctrlrequest *ldvarg0 ; [L5495] void *tmp ; [L5496] char *ldvarg7 ; [L5497] void *tmp___0 ; [L5498] struct poll_table_struct *ldvarg3 ; [L5499] void *tmp___1 ; [L5500] loff_t *ldvarg5 ; [L5501] void *tmp___2 ; [L5502] size_t ldvarg6 ; [L5503] size_t tmp___3 ; [L5504] unsigned long ldvarg1 ; [L5505] unsigned long tmp___4 ; [L5506] loff_t *ldvarg8 ; [L5507] void *tmp___5 ; [L5508] int ldvarg4 ; [L5509] int tmp___6 ; [L5510] char *ldvarg10 ; [L5511] void *tmp___7 ; [L5512] size_t ldvarg9 ; [L5513] size_t tmp___8 ; [L5514] unsigned int ldvarg2 ; [L5515] unsigned int tmp___9 ; [L5516] int tmp___10 ; [L5517] int tmp___11 ; [L5518] int tmp___12 ; [L5519] int tmp___13 ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-2, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] tmp = ldv_zalloc(8UL) [L5522] ldvarg0 = (struct usb_ctrlrequest *)tmp VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-3, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] tmp___0 = ldv_zalloc(1UL) [L5524] ldvarg7 = (char *)tmp___0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] CALL, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=16, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=16, strings={120:0}, stringtab={121:0}, tmp___0=-4, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] RET, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(16UL)={0:0}, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] tmp___1 = ldv_zalloc(16UL) [L5526] ldvarg3 = (struct poll_table_struct *)tmp___1 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-5, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] tmp___2 = ldv_zalloc(8UL) [L5528] ldvarg5 = (loff_t *)tmp___2 [L5529] tmp___3 = __VERIFIER_nondet_size_t() [L5530] ldvarg6 = tmp___3 [L5531] tmp___4 = __VERIFIER_nondet_ulong() [L5532] ldvarg1 = tmp___4 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-7, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] tmp___5 = ldv_zalloc(8UL) [L5534] ldvarg8 = (loff_t *)tmp___5 [L5535] tmp___6 = __VERIFIER_nondet_int() [L5536] ldvarg4 = tmp___6 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-9, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] tmp___7 = ldv_zalloc(1UL) [L5538] ldvarg10 = (char *)tmp___7 [L5539] tmp___8 = __VERIFIER_nondet_size_t() [L5540] ldvarg9 = tmp___8 [L5541] tmp___9 = __VERIFIER_nondet_uint() [L5542] ldvarg2 = tmp___9 [L5543] FCALL ldv_initialize() [L5544] ldv_state_variable_1 = 0 [L5545] ref_cnt = 0 [L5546] ldv_state_variable_0 = 1 [L5547] ldv_state_variable_2 = 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: [L5610] case 1: VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5611] COND TRUE ldv_state_variable_0 == 1 [L5612] CALL, EXPR init() [L5416] int status ; [L5417] void *tmp ; [L5418] long tmp___0 ; [L5419] long tmp___1 ; [L5421] CALL, EXPR ldv_create_class() [L5899] void *is_got ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [\old(size)=120, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3184] void *p ; [L3185] void *tmp ; [L3186] int tmp___0 ; [L3188] tmp___0 = __VERIFIER_nondet_int() [L3189] COND TRUE tmp___0 != 0 [L3190] return ((void *)0); VAL [\old(size)=120, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=120, strings={120:0}, stringtab={121:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] is_got = ldv_malloc(sizeof(struct class)) [L5902] COND TRUE (unsigned long )is_got <= 2012UL VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5903] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5907] COND TRUE ldv_usb_gadget_class == 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5911] ldv_usb_gadget_class = 1 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5914] return (is_got); VAL [\result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5421] RET, EXPR ldv_create_class() [L5421] tmp = ldv_create_class() [L5422] usb_gadget_class = (struct class *)tmp VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] CALL, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5736] long tmp ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5861] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] RET, EXPR ldv_is_err(ptr) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] tmp = ldv_is_err(ptr) [L5739] return (tmp); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] RET, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, IS_ERR((void const *)usb_gadget_class)=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] tmp___1 = IS_ERR((void const *)usb_gadget_class) [L5424] COND FALSE !(tmp___1 != 0L) [L5432] CALL, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5762] ldv_func_ret_type ldv_func_res ; [L5763] int tmp ; [L5764] int tmp___0 ; [L5766] CALL, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L6074] return __VERIFIER_nondet_int(); [L5766] RET, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5766] tmp = alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5767] ldv_func_res = tmp [L5768] CALL, EXPR ldv_register_chrdev_region() [L5954] int is_reg ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5855] return (ret); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] is_reg = ldv_undef_int_nonpositive() [L5957] COND TRUE ! is_reg VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5958] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5962] COND TRUE ldv_usb_gadget_chrdev == 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5966] ldv_usb_gadget_chrdev = 1 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5969] return (is_reg); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5768] RET, EXPR ldv_register_chrdev_region() [L5768] tmp___0 = ldv_register_chrdev_region() [L5769] return (tmp___0); VAL [\old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={103:0}, ldv_func_arg1={103:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={93:0}, ldv_func_arg4={93:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, tmp___0=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5432] RET, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5432] status = ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5433] COND FALSE !(status != 0) [L5439] CALL, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5783] ldv_func_ret_type___0 ldv_func_res ; [L5784] int tmp ; [L5785] int tmp___0 ; [L5787] CALL, EXPR usb_gadget_register_driver(ldv_func_arg1) [L6157] return __VERIFIER_nondet_int(); [L5787] RET, EXPR usb_gadget_register_driver(ldv_func_arg1) [L5787] tmp = usb_gadget_register_driver(ldv_func_arg1) [L5788] ldv_func_res = tmp [L5789] CALL, EXPR ldv_register_usb_gadget() [L5989] int is_reg ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5855] return (ret); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] is_reg = ldv_undef_int_nonpositive() [L5992] COND TRUE ! is_reg VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5993] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5997] ldv_usb_gadget = 1 VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L6000] return (is_reg); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5789] RET, EXPR ldv_register_usb_gadget() [L5789] tmp___0 = ldv_register_usb_gadget() [L5790] return (tmp___0); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={123:0}, ldv_func_arg1={123:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, tmp___0=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5439] RET, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5439] status = ldv_usb_gadget_register_driver_9(& printer_driver) [L5440] COND FALSE !(status != 0) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5446] return (status); VAL [\result=0, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5612] RET, EXPR init() [L5612] ldv_retval_2 = init() [L5613] COND FALSE !(ldv_retval_2 != 0) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5618] COND TRUE ldv_retval_2 == 0 [L5619] ldv_state_variable_0 = 2 [L5620] ldv_state_variable_1 = 1 [L5621] CALL ldv_initialize_usb_gadget_driver_1() [L5473] void *tmp ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] CALL, EXPR ldv_zalloc(1072UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1072, \result={0:0}, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1072, strings={120:0}, stringtab={121:0}, tmp___0=-11, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] RET, EXPR ldv_zalloc(1072UL) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldv_zalloc(1072UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] tmp = ldv_zalloc(1072UL) [L5476] printer_driver_group0 = (struct usb_gadget *)tmp VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5621] RET ldv_initialize_usb_gadget_driver_1() [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967332, ldvarg10={0:0}, ldvarg2=85, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=0, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967332, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=85, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5603] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L5604] CALL cleanup() [L5451] int status ; VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5453] FCALL mutex_lock_nested(& usb_printer_gadget.lock_printer_io, 0U) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5454] CALL ldv_class_destroy_12(usb_gadget_class) [L5813] FCALL class_destroy(ldv_func_arg1) VAL [__this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={0:0}, 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_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5814] CALL ldv_unregister_class() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5940] COND FALSE !(ldv_usb_gadget == 0) VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5942] CALL ldv_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3238] reach_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967407:4294967402}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 68 procedures, 1268 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 493.1s, OverallIterations: 18, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 432.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 55059 SdHoareTripleChecker+Valid, 388.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50658 mSDsluCounter, 175073 SdHoareTripleChecker+Invalid, 364.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 145800 mSDsCounter, 21051 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113409 IncrementalHoareTripleChecker+Invalid, 134491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21051 mSolverCounterUnsat, 29273 mSDtfsCounter, 113409 mSolverCounterSat, 2.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 877 GetRequests, 619 SyntacticMatches, 4 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36326occurred in iteration=7, InterpolantAutomatonStates: 220, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 97881 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 26.9s InterpolantComputationTime, 2006 NumberOfCodeBlocks, 2006 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1855 ConstructedInterpolants, 0 QuantifiedInterpolants, 4556 SizeOfPredicates, 23 NumberOfNonLiveVariables, 4867 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 1352/1361 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 17:13:41,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- 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 17:13:44,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:13:44,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:13:44,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:13:44,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:13:44,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:13:44,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:13:44,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:13:44,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:13:44,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:13:44,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:13:44,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:13:44,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:13:44,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:13:44,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:13:44,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:13:44,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:13:44,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:13:44,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:13:44,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:13:44,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:13:44,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:13:44,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:13:44,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:13:44,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:13:44,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:13:44,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:13:44,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:13:44,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:13:44,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:13:44,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:13:44,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:13:44,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:13:44,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:13:44,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:13:44,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:13:44,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:13:44,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:13:44,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:13:44,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:13:44,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:13:44,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:13:44,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:13:44,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:13:44,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:13:44,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:13:44,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:13:44,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:13:44,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:13:44,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:13:44,732 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:13:44,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:13:44,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:13:44,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:13:44,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:13:44,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:13:44,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:13:44,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:13:44,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:13:44,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:13:44,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:13:44,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:13:44,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:13:44,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:13:44,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:13:44,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:13:44,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:13:44,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:13:44,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:13:44,737 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:13:44,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:13:44,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:13:44,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:13:44,737 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:13:44,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:13:44,738 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:13:44,738 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-11-25 17:13:45,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:13:45,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:13:45,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:13:45,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:13:45,140 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:13:45,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:13:48,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:13:48,715 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:13:48,716 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:13:48,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/52e5f03bd/1b93aa7b014a43bda3c2697c0bf9dad0/FLAG73667ab06 [2022-11-25 17:13:48,778 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/data/52e5f03bd/1b93aa7b014a43bda3c2697c0bf9dad0 [2022-11-25 17:13:48,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:13:48,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:13:48,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:13:48,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:13:48,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:13:48,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:48" (1/1) ... [2022-11-25 17:13:48,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d359fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48, skipping insertion in model container [2022-11-25 17:13:48,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:48" (1/1) ... [2022-11-25 17:13:48,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:13:48,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:13:49,480 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:13:49,521 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:49,529 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:49,576 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:13:49,582 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:13:49,586 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:13:49,642 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:13:49,644 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 17:13:49,672 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:49,679 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 17:13:49,686 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 17:13:49,724 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-11-25 17:13:49,760 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:49,761 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:49,762 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:49,763 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 17:13:49,767 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:49,768 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:13:49,859 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 17:13:49,863 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 17:13:49,982 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-25 17:13:49,988 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 17:13:49,997 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:13:50,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:13:50,044 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,051 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,056 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,057 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,061 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,063 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,065 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,082 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,083 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,085 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,087 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,089 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,089 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,090 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,093 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,094 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,097 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,104 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,105 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,107 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,108 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,108 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,113 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,114 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,115 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,116 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,117 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,122 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,124 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,126 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,126 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,130 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,132 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,138 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,184 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,185 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,185 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,216 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 17:13:50,217 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:50,219 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:50,220 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,222 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,223 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,235 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 17:13:50,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,242 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 17:13:50,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,244 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:13:50,247 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:50,259 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,260 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,261 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,261 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,263 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:50,266 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:13:50,266 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:13:50,267 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,272 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,272 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,275 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,291 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,336 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,348 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:13:50,363 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 17:13:50,364 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 17:13:50,365 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 17:13:50,365 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,366 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 17:13:50,366 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,367 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:50,367 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,379 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:50,379 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 17:13:50,391 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:13:50,477 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 17:13:50,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:13:50,595 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:13:50,600 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:50,601 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:50,604 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:13:50,608 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:13:50,609 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:13:50,618 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:13:50,619 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 17:13:50,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,633 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 17:13:50,635 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 17:13:50,641 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-11-25 17:13:50,645 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:50,652 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:50,653 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:50,654 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 17:13:50,655 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:50,655 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:13:50,667 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 17:13:50,669 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 17:13:50,702 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 17:13:50,728 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:13:50,755 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:13:50,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,763 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,765 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,767 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,768 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,770 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,773 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,785 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,785 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,788 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,790 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,791 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,791 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,793 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,795 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,797 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,800 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,806 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,806 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,808 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,809 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,811 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,811 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,813 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,816 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,819 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,821 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,823 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:50,824 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:50,824 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:50,826 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,826 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,831 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,835 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,860 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,861 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,861 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:50,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,879 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:50,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,881 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 17:13:50,882 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:50,886 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:50,888 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,890 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,891 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,895 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 17:13:50,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,897 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 17:13:50,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,898 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:13:50,899 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:50,900 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,901 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,901 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,902 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:50,903 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:50,905 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:13:50,905 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:13:50,906 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,906 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,906 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:50,908 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,910 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:50,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,915 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:50,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:50,917 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:50,919 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:13:50,924 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 17:13:50,924 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 17:13:50,925 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 17:13:50,925 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,926 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 17:13:50,926 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,927 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:50,927 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:50,927 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:50,928 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 17:13:50,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,955 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,956 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:50,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:13:50,977 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:13:51,035 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:13:51,037 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:51,037 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 17:13:51,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:13:51,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:13:51,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:13:51,041 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:13:51,041 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 17:13:51,045 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:51,045 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 17:13:51,047 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 17:13:51,049 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_30592e64-bf22-46ea-be15-dc5c0a16ed23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-11-25 17:13:51,051 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:51,052 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:51,052 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:13:51,053 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 17:13:51,053 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 17:13:51,054 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:13:51,059 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 17:13:51,059 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 17:13:51,107 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 17:13:51,111 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:13:51,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:13:51,124 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,127 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,128 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,128 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,129 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:51,133 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,135 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,136 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,140 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:51,140 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,143 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:51,144 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:51,144 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:51,144 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,147 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,148 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,151 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:51,151 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,152 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,153 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:51,153 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:51,154 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:51,154 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,155 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,156 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,158 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,160 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,162 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 17:13:51,162 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:13:51,163 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:13:51,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:51,164 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,164 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,166 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,186 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,186 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,187 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:13:51,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,199 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:13:51,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,204 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 17:13:51,204 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:51,205 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:13:51,206 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:51,207 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:51,208 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:51,210 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 17:13:51,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,212 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 17:13:51,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,213 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:13:51,214 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:51,215 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:51,216 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:51,216 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:51,216 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:13:51,218 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:13:51,221 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:13:51,222 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:13:51,223 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:51,223 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:51,224 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:13:51,252 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:51,263 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 17:13:51,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,269 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:13:51,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:13:51,271 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:13:51,274 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:13:51,296 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 17:13:51,297 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 17:13:51,297 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 17:13:51,298 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:51,298 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 17:13:51,298 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:51,299 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:51,299 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 17:13:51,299 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 17:13:51,300 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 17:13:51,301 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:51,305 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:51,306 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:13:51,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:13:51,440 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:13:51,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51 WrapperNode [2022-11-25 17:13:51,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:13:51,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:13:51,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:13:51,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:13:51,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,716 INFO L138 Inliner]: procedures = 219, calls = 1278, calls flagged for inlining = 89, calls inlined = 89, statements flattened = 3387 [2022-11-25 17:13:51,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:13:51,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:13:51,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:13:51,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:13:51,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:51,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:52,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:52,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:13:52,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:13:52,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:13:52,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:13:52,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (1/1) ... [2022-11-25 17:13:52,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:13:52,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:13:52,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:13:52,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:13:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-11-25 17:13:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-11-25 17:13:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-25 17:13:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:13:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:13:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:13:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-11-25 17:13:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-11-25 17:13:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-11-25 17:13:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-11-25 17:13:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-11-25 17:13:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-11-25 17:13:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 17:13:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 17:13:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:13:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:13:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-11-25 17:13:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-11-25 17:13:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-11-25 17:13:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-11-25 17:13:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 17:13:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 17:13:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-11-25 17:13:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-11-25 17:13:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 17:13:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 17:13:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:13:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:13:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-11-25 17:13:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-11-25 17:13:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:13:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:13:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:13:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:13:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-25 17:13:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-25 17:13:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-11-25 17:13:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-11-25 17:13:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:13:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:13:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:13:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:13:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-11-25 17:13:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-11-25 17:13:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-11-25 17:13:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-11-25 17:13:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 17:13:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 17:13:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 17:13:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 17:13:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-25 17:13:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 17:13:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:13:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:13:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:13:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-25 17:13:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-25 17:13:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 17:13:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 17:13:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-25 17:13:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:13:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 17:13:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 17:13:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 17:13:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 17:13:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-25 17:13:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-25 17:13:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:13:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:13:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 17:13:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 17:13:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-11-25 17:13:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-11-25 17:13:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 17:13:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 17:13:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 17:13:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 17:13:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 17:13:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 17:13:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 17:13:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 17:13:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 17:13:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 17:13:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-11-25 17:13:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-11-25 17:13:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:13:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:13:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-11-25 17:13:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-11-25 17:13:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-25 17:13:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-25 17:13:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-11-25 17:13:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-11-25 17:13:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-11-25 17:13:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-11-25 17:13:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 17:13:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-25 17:13:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-25 17:13:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:13:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:13:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-11-25 17:13:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-11-25 17:13:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:13:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-25 17:13:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-11-25 17:13:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-11-25 17:13:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-25 17:13:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-11-25 17:13:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-11-25 17:13:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 17:13:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 17:13:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 17:13:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-11-25 17:13:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-11-25 17:13:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-11-25 17:13:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-11-25 17:13:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-25 17:13:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-25 17:13:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 17:13:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 17:13:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 17:13:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 17:13:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-11-25 17:13:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-11-25 17:13:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 17:13:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 17:13:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 17:13:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 17:13:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-11-25 17:13:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-11-25 17:13:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-11-25 17:13:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-11-25 17:13:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-11-25 17:13:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-11-25 17:13:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 17:13:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 17:13:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-11-25 17:13:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-11-25 17:13:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 17:13:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 17:13:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 17:13:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:13:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:13:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 17:13:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 17:13:53,034 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:13:53,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:13:53,189 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:14:27,210 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:14:27,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:14:27,227 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:14:27,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:27 BoogieIcfgContainer [2022-11-25 17:14:27,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:14:27,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:14:27,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:14:27,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:14:27,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:13:48" (1/3) ... [2022-11-25 17:14:27,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22620b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:14:27, skipping insertion in model container [2022-11-25 17:14:27,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:51" (2/3) ... [2022-11-25 17:14:27,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22620b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:14:27, skipping insertion in model container [2022-11-25 17:14:27,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:27" (3/3) ... [2022-11-25 17:14:27,247 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-25 17:14:27,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:14:27,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:14:27,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:14:27,360 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;@10a481b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:14:27,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:14:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 1245 states, 858 states have (on average 1.3822843822843822) internal successors, (1186), 901 states have internal predecessors, (1186), 320 states have call successors, (320), 66 states have call predecessors, (320), 65 states have return successors, (316), 313 states have call predecessors, (316), 316 states have call successors, (316) [2022-11-25 17:14:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 17:14:27,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:27,387 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:27,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:14:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:27,393 INFO L85 PathProgramCache]: Analyzing trace with hash -584914783, now seen corresponding path program 1 times [2022-11-25 17:14:27,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:14:27,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657525719] [2022-11-25 17:14:27,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:27,412 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 17:14:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:14:27,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:27,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:29,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:14:29,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:14:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:14:30,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:14:30,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:14:30,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657525719] [2022-11-25 17:14:30,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657525719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:30,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:30,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:14:30,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993698419] [2022-11-25 17:14:30,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:30,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:14:30,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:14:30,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:14:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:14:30,515 INFO L87 Difference]: Start difference. First operand has 1245 states, 858 states have (on average 1.3822843822843822) internal successors, (1186), 901 states have internal predecessors, (1186), 320 states have call successors, (320), 66 states have call predecessors, (320), 65 states have return successors, (316), 313 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:14:31,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:31,054 INFO L93 Difference]: Finished difference Result 3537 states and 5263 transitions. [2022-11-25 17:14:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:14:31,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 56 [2022-11-25 17:14:31,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:31,106 INFO L225 Difference]: With dead ends: 3537 [2022-11-25 17:14:31,106 INFO L226 Difference]: Without dead ends: 2278 [2022-11-25 17:14:31,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 17:14:31,130 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 1652 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 3603 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:31,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 3603 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:14:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-11-25 17:14:31,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2274. [2022-11-25 17:14:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 1556 states have (on average 1.3579691516709511) internal successors, (2113), 1617 states have internal predecessors, (2113), 596 states have call successors, (596), 123 states have call predecessors, (596), 121 states have return successors, (584), 575 states have call predecessors, (584), 584 states have call successors, (584) [2022-11-25 17:14:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3293 transitions. [2022-11-25 17:14:31,417 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3293 transitions. Word has length 56 [2022-11-25 17:14:31,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:31,419 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3293 transitions. [2022-11-25 17:14:31,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:14:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3293 transitions. [2022-11-25 17:14:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 17:14:31,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:31,436 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:31,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:14:31,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:31,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:14:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash -953431060, now seen corresponding path program 1 times [2022-11-25 17:14:31,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:14:31,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203858213] [2022-11-25 17:14:31,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:31,659 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 17:14:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:14:31,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:31,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:33,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:14:33,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:14:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:14:34,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:14:34,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:14:34,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203858213] [2022-11-25 17:14:34,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203858213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:34,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:34,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:14:34,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706721860] [2022-11-25 17:14:34,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:34,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:14:34,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:14:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:14:34,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:14:34,600 INFO L87 Difference]: Start difference. First operand 2274 states and 3293 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:14:34,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:34,958 INFO L93 Difference]: Finished difference Result 6760 states and 9802 transitions. [2022-11-25 17:14:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:14:34,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 57 [2022-11-25 17:14:34,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:34,996 INFO L225 Difference]: With dead ends: 6760 [2022-11-25 17:14:34,996 INFO L226 Difference]: Without dead ends: 4501 [2022-11-25 17:14:35,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 17:14:35,012 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 1636 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:35,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 3666 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:14:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-11-25 17:14:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4493. [2022-11-25 17:14:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4493 states, 3083 states have (on average 1.3593902043464159) internal successors, (4191), 3196 states have internal predecessors, (4191), 1170 states have call successors, (1170), 243 states have call predecessors, (1170), 239 states have return successors, (1152), 1137 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-25 17:14:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 6513 transitions. [2022-11-25 17:14:35,300 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 6513 transitions. Word has length 57 [2022-11-25 17:14:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:35,301 INFO L495 AbstractCegarLoop]: Abstraction has 4493 states and 6513 transitions. [2022-11-25 17:14:35,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 17:14:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 6513 transitions. [2022-11-25 17:14:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 17:14:35,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:35,304 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:35,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:35,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:35,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:14:35,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:35,519 INFO L85 PathProgramCache]: Analyzing trace with hash -536749712, now seen corresponding path program 1 times [2022-11-25 17:14:35,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:14:35,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163977218] [2022-11-25 17:14:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:35,522 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 17:14:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:14:35,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:35,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:37,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:14:37,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:14:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:14:37,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:14:37,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:14:37,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163977218] [2022-11-25 17:14:37,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163977218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:37,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:37,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:14:37,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042312228] [2022-11-25 17:14:37,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:37,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:14:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:14:37,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:14:37,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:14:37,350 INFO L87 Difference]: Start difference. First operand 4493 states and 6513 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:14:39,543 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 17:14:40,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:40,673 INFO L93 Difference]: Finished difference Result 13209 states and 19171 transitions. [2022-11-25 17:14:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:14:40,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2022-11-25 17:14:40,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:40,751 INFO L225 Difference]: With dead ends: 13209 [2022-11-25 17:14:40,752 INFO L226 Difference]: Without dead ends: 8731 [2022-11-25 17:14:40,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 17:14:40,780 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1623 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:40,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3678 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:14:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-11-25 17:14:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8723. [2022-11-25 17:14:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8723 states, 5978 states have (on average 1.3611575777852125) internal successors, (8137), 6186 states have internal predecessors, (8137), 2270 states have call successors, (2270), 479 states have call predecessors, (2270), 474 states have return successors, (2252), 2225 states have call predecessors, (2252), 2252 states have call successors, (2252) [2022-11-25 17:14:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 12659 transitions. [2022-11-25 17:14:41,519 INFO L78 Accepts]: Start accepts. Automaton has 8723 states and 12659 transitions. Word has length 59 [2022-11-25 17:14:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:41,520 INFO L495 AbstractCegarLoop]: Abstraction has 8723 states and 12659 transitions. [2022-11-25 17:14:41,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:14:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 8723 states and 12659 transitions. [2022-11-25 17:14:41,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 17:14:41,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:41,524 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:41,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:41,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:41,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:14:41,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash -101352454, now seen corresponding path program 1 times [2022-11-25 17:14:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:14:41,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388547850] [2022-11-25 17:14:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:41,749 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 17:14:41,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:14:41,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:41,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:43,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:14:43,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:14:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:14:44,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:14:44,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:14:44,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388547850] [2022-11-25 17:14:44,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388547850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:44,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:44,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:14:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26258316] [2022-11-25 17:14:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:44,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:14:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:14:44,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:14:44,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:14:44,243 INFO L87 Difference]: Start difference. First operand 8723 states and 12659 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:14:45,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:45,336 INFO L93 Difference]: Finished difference Result 18580 states and 27162 transitions. [2022-11-25 17:14:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:14:45,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-11-25 17:14:45,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:45,417 INFO L225 Difference]: With dead ends: 18580 [2022-11-25 17:14:45,417 INFO L226 Difference]: Without dead ends: 9872 [2022-11-25 17:14:45,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 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 17:14:45,456 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 233 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:45,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 7440 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:14:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2022-11-25 17:14:46,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 8739. [2022-11-25 17:14:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8739 states, 5990 states have (on average 1.3604340567612687) internal successors, (8149), 6198 states have internal predecessors, (8149), 2270 states have call successors, (2270), 479 states have call predecessors, (2270), 478 states have return successors, (2264), 2229 states have call predecessors, (2264), 2252 states have call successors, (2264) [2022-11-25 17:14:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8739 states to 8739 states and 12683 transitions. [2022-11-25 17:14:46,096 INFO L78 Accepts]: Start accepts. Automaton has 8739 states and 12683 transitions. Word has length 75 [2022-11-25 17:14:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:46,097 INFO L495 AbstractCegarLoop]: Abstraction has 8739 states and 12683 transitions. [2022-11-25 17:14:46,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:14:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8739 states and 12683 transitions. [2022-11-25 17:14:46,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 17:14:46,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:46,102 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:46,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:46,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:46,325 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:14:46,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:46,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1238798066, now seen corresponding path program 1 times [2022-11-25 17:14:46,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:14:46,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058580459] [2022-11-25 17:14:46,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:46,328 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 17:14:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:14:46,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:46,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:14:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:48,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 17:14:48,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:14:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:14:53,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:14:53,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:14:53,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058580459] [2022-11-25 17:14:53,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058580459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:53,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:53,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 17:14:53,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562213855] [2022-11-25 17:14:53,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:53,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 17:14:53,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:14:53,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 17:14:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:14:53,707 INFO L87 Difference]: Start difference. First operand 8739 states and 12683 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 17:14:55,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:14:58,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:15:00,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:15:03,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:16:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:34,681 INFO L93 Difference]: Finished difference Result 25578 states and 37419 transitions. [2022-11-25 17:16:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:16:34,683 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-11-25 17:16:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:34,819 INFO L225 Difference]: With dead ends: 25578 [2022-11-25 17:16:34,820 INFO L226 Difference]: Without dead ends: 16854 [2022-11-25 17:16:34,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:16:34,875 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 2662 mSDsluCounter, 20485 mSDsCounter, 0 mSdLazyCounter, 3200 mSolverCounterSat, 248 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 22634 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 3200 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:34,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 22634 Invalid, 3452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [248 Valid, 3200 Invalid, 4 Unknown, 0 Unchecked, 94.0s Time] [2022-11-25 17:16:34,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16854 states. [2022-11-25 17:16:36,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16854 to 15152. [2022-11-25 17:16:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15152 states, 10382 states have (on average 1.361972644962435) internal successors, (14140), 10743 states have internal predecessors, (14140), 3940 states have call successors, (3940), 828 states have call predecessors, (3940), 829 states have return successors, (3943), 3874 states have call predecessors, (3943), 3922 states have call successors, (3943) [2022-11-25 17:16:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15152 states to 15152 states and 22023 transitions. [2022-11-25 17:16:36,351 INFO L78 Accepts]: Start accepts. Automaton has 15152 states and 22023 transitions. Word has length 77 [2022-11-25 17:16:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:36,351 INFO L495 AbstractCegarLoop]: Abstraction has 15152 states and 22023 transitions. [2022-11-25 17:16:36,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 17:16:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 15152 states and 22023 transitions. [2022-11-25 17:16:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-25 17:16:36,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:36,356 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:16:36,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:36,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:36,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:16:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:36,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1305739619, now seen corresponding path program 1 times [2022-11-25 17:16:36,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:16:36,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94538590] [2022-11-25 17:16:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:36,572 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 17:16:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:16:36,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:36,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:16:38,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:16:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:16:42,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:16:42,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:16:42,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94538590] [2022-11-25 17:16:42,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94538590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:42,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:42,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:16:42,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154797376] [2022-11-25 17:16:42,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:42,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:16:42,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:16:42,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:16:42,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:16:42,458 INFO L87 Difference]: Start difference. First operand 15152 states and 22023 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 17:16:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:44,169 INFO L93 Difference]: Finished difference Result 45403 states and 66007 transitions. [2022-11-25 17:16:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:16:44,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 83 [2022-11-25 17:16:44,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:44,365 INFO L225 Difference]: With dead ends: 45403 [2022-11-25 17:16:44,365 INFO L226 Difference]: Without dead ends: 30263 [2022-11-25 17:16:44,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 17:16:44,433 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 1610 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:44,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 3760 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:16:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30263 states. [2022-11-25 17:16:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30263 to 30214. [2022-11-25 17:16:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30214 states, 20715 states have (on average 1.3622978517982138) internal successors, (28220), 21426 states have internal predecessors, (28220), 7848 states have call successors, (7848), 1646 states have call predecessors, (7848), 1650 states have return successors, (7870), 7729 states have call predecessors, (7870), 7828 states have call successors, (7870) [2022-11-25 17:16:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30214 states to 30214 states and 43938 transitions. [2022-11-25 17:16:46,912 INFO L78 Accepts]: Start accepts. Automaton has 30214 states and 43938 transitions. Word has length 83 [2022-11-25 17:16:46,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:46,912 INFO L495 AbstractCegarLoop]: Abstraction has 30214 states and 43938 transitions. [2022-11-25 17:16:46,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 17:16:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30214 states and 43938 transitions. [2022-11-25 17:16:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-25 17:16:46,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:46,917 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:16:46,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:47,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:47,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:16:47,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:47,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1597031166, now seen corresponding path program 1 times [2022-11-25 17:16:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:16:47,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212520797] [2022-11-25 17:16:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:47,147 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 17:16:47,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:16:47,150 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:47,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:49,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:16:49,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:16:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 17:16:50,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:16:50,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:16:50,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212520797] [2022-11-25 17:16:50,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212520797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:50,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:50,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:16:50,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295126852] [2022-11-25 17:16:50,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:50,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:16:50,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:16:50,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:16:50,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:16:50,965 INFO L87 Difference]: Start difference. First operand 30214 states and 43938 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:16:53,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:16:56,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:56,046 INFO L93 Difference]: Finished difference Result 60420 states and 87861 transitions. [2022-11-25 17:16:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:16:56,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-11-25 17:16:56,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:56,268 INFO L225 Difference]: With dead ends: 60420 [2022-11-25 17:16:56,268 INFO L226 Difference]: Without dead ends: 30221 [2022-11-25 17:16:56,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 17:16:56,507 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 1590 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:56,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 4897 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-25 17:16:56,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30221 states. [2022-11-25 17:16:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30221 to 30195. [2022-11-25 17:16:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30195 states, 20696 states have (on average 1.361857363741786) internal successors, (28185), 21409 states have internal predecessors, (28185), 7848 states have call successors, (7848), 1646 states have call predecessors, (7848), 1650 states have return successors, (7870), 7727 states have call predecessors, (7870), 7828 states have call successors, (7870) [2022-11-25 17:16:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30195 states to 30195 states and 43903 transitions. [2022-11-25 17:16:59,527 INFO L78 Accepts]: Start accepts. Automaton has 30195 states and 43903 transitions. Word has length 92 [2022-11-25 17:16:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:59,527 INFO L495 AbstractCegarLoop]: Abstraction has 30195 states and 43903 transitions. [2022-11-25 17:16:59,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:16:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30195 states and 43903 transitions. [2022-11-25 17:16:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-25 17:16:59,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:59,538 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:16:59,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:59,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:59,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:16:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1938339632, now seen corresponding path program 1 times [2022-11-25 17:16:59,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:16:59,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362193692] [2022-11-25 17:16:59,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:59,767 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 17:16:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:16:59,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:16:59,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30592e64-bf22-46ea-be15-dc5c0a16ed23/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 17:17:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:01,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-25 17:17:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:17:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-25 17:17:22,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:17:22,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:17:22,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362193692] [2022-11-25 17:17:22,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362193692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:22,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:22,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-25 17:17:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283947687] [2022-11-25 17:17:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:22,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-25 17:17:22,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:17:22,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-25 17:17:22,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:17:22,767 INFO L87 Difference]: Start difference. First operand 30195 states and 43903 transitions. Second operand has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 16 states have internal predecessors, (55), 7 states have call successors, (14), 3 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-25 17:17:24,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []