./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8 --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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:14:21,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:14:21,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:14:21,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:14:21,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:14:21,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:14:21,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:14:21,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:14:21,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:14:21,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:14:21,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:14:21,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:14:21,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:14:21,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:14:21,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:14:21,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:14:21,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:14:21,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:14:21,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:14:21,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:14:21,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:14:21,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:14:21,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:14:21,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:14:21,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:14:21,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:14:21,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:14:21,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:14:21,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:14:21,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:14:21,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:14:21,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:14:21,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:14:21,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:14:21,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:14:21,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:14:21,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:14:21,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:14:21,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:14:21,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:14:21,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:14:21,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:14:21,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:14:21,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:14:21,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:14:21,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:14:21,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:14:21,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:14:21,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:14:21,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:14:21,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:14:21,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:14:21,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:14:21,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:14:21,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:14:21,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:14:21,440 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:14:21,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:14:21,440 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:14:21,440 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_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2022-12-13 20:14:21,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:14:21,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:14:21,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:14:21,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:14:21,633 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:14:21,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-12-13 20:14:24,281 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:14:24,599 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:14:24,600 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-12-13 20:14:24,623 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/data/ce0d65aa9/ae8029b60cf64809aea59ccddb867cc3/FLAG18a504c2d [2022-12-13 20:14:24,633 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/data/ce0d65aa9/ae8029b60cf64809aea59ccddb867cc3 [2022-12-13 20:14:24,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:14:24,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:14:24,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:14:24,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:14:24,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:14:24,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:14:24" (1/1) ... [2022-12-13 20:14:24,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580e5d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:24, skipping insertion in model container [2022-12-13 20:14:24,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:14:24" (1/1) ... [2022-12-13 20:14:24,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:14:24,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:14:25,051 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:14:25,056 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:14:25,069 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:14:25,083 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:14:25,150 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-13 20:14:25,393 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:14:25,407 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:14:25,430 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 20:14:25,437 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 20:14:25,440 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 20:14:25,444 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,445 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:25,445 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 20:14:25,446 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 20:14:25,450 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,450 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:25,451 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:14:25,454 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,455 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:25,455 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:14:25,478 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:14:25,482 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:14:25,497 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:14:25,500 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:14:25,503 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:14:25,652 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 20:14:25,680 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:25,684 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:25,688 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:14:25,689 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,694 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,698 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:25,699 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,701 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:25,701 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,702 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:25,706 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 20:14:25,706 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:25,734 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,739 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,743 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,746 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,747 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,748 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 20:14:25,749 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:25,750 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,751 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,752 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,753 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,757 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,758 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,760 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,761 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,761 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,762 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:25,766 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,770 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,772 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,775 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,779 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,780 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,784 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,785 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:25,787 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,789 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,813 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,818 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,822 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:25,834 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,834 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,835 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 20:14:25,838 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:25,842 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,846 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:25,850 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,850 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,851 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,851 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,852 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,852 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,853 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,853 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,854 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,854 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,854 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,855 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,855 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,856 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,856 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,857 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,857 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,857 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,858 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,858 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,859 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,859 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,859 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,860 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,860 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,861 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,861 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,862 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:25,865 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:25,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,867 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-13 20:14:25,876 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,876 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,879 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:14:25,880 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 20:14:25,885 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:25,885 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,885 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,886 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:25,889 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,889 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 20:14:25,893 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-13 20:14:25,893 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,896 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,900 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-13 20:14:25,900 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,903 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,907 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,911 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,914 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,918 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,922 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,925 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,928 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,932 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,935 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:25,939 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,940 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,940 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,940 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,940 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,940 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,941 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,941 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,941 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,942 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,945 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:14:25,945 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,949 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-13 20:14:25,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,949 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-13 20:14:25,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,956 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,956 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,957 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,957 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,957 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,957 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,958 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,958 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,959 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,959 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:25,959 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,960 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,960 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,960 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,960 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,961 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,961 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,961 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,961 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:25,966 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,968 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 20:14:25,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,969 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:14:25,970 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 20:14:25,970 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 20:14:25,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,970 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:14:25,971 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:14:25,971 WARN L623 FunctionHandler]: Unknown extern function kstrdup [2022-12-13 20:14:25,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,972 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-13 20:14:25,972 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,973 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,974 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-13 20:14:25,974 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,975 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:25,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:25,983 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:25,987 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 20:14:25,987 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:14:25,987 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:14:25,995 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:25,996 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:25,997 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:25,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,002 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,004 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,004 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:14:26,005 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,005 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:14:26,005 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,006 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:14:26,006 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,006 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:14:26,007 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,007 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,009 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 20:14:26,010 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:14:26,010 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:14:26,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,051 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,052 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,052 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,053 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,068 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,068 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,069 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,070 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,072 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,082 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,085 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,086 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,087 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,088 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,091 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,092 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,096 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:14:26,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,103 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,122 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,123 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,124 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,126 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 20:14:26,127 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,130 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,131 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,132 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 20:14:26,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,133 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 20:14:26,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,133 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 20:14:26,134 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:14:26,134 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_register [2022-12-13 20:14:26,140 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_unregister [2022-12-13 20:14:26,140 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 20:14:26,140 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:26,140 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 20:14:26,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,157 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_ipmb_proc_ops_release [2022-12-13 20:14:26,158 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_stats_proc_ops_release [2022-12-13 20:14:26,159 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_version_proc_ops_release [2022-12-13 20:14:26,159 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,160 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,160 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,160 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,160 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,161 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:14:26,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,161 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,162 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,163 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,163 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,165 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,165 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,165 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,166 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,166 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,166 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,166 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,166 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,167 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,167 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,167 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,167 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,168 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,168 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,168 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,168 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,168 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,169 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,169 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,169 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,169 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,169 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,170 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,170 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,170 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,170 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,173 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_fa77a740-999b-40a0-8b2c-19d4480493aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2022-12-13 20:14:26,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:14:26,322 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:14:26,368 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:14:26,368 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:14:26,369 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:14:26,369 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:14:26,371 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-13 20:14:26,372 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:14:26,373 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:14:26,374 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 20:14:26,374 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 20:14:26,374 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 20:14:26,375 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,375 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:26,375 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 20:14:26,375 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 20:14:26,376 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,376 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:26,376 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:14:26,376 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,377 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 20:14:26,377 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:14:26,378 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:14:26,378 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:14:26,379 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:14:26,379 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:14:26,379 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:14:26,383 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 20:14:26,385 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,386 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,386 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:14:26,388 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,390 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,395 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,396 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,397 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,397 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 20:14:26,398 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:26,403 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,405 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,406 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,408 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,409 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,411 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 20:14:26,412 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:26,413 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,413 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,414 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,416 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,420 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,421 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,421 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,422 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,422 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 20:14:26,424 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,425 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,427 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,428 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,429 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,430 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,430 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,431 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,432 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,440 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,443 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,445 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,448 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,449 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,449 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 20:14:26,450 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:26,450 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,451 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:26,452 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,452 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,462 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,462 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,462 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,464 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,464 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,464 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,465 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,466 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,466 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,466 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,466 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,467 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,467 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,467 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:14:26,468 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:14:26,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,469 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-13 20:14:26,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,472 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:14:26,472 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 20:14:26,475 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:26,476 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,476 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,477 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:26,477 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,477 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 20:14:26,477 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-13 20:14:26,478 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,478 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,479 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-13 20:14:26,479 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,479 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,480 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,480 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,481 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,481 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,482 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,482 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,482 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,483 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,483 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:14:26,484 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,484 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,484 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,484 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,485 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,485 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,485 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,485 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,485 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,486 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,486 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:14:26,486 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,488 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-13 20:14:26,488 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,488 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-13 20:14:26,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,495 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,496 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,496 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,496 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,496 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,497 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,497 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,497 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,497 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,498 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 20:14:26,498 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,498 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,498 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,499 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 20:14:26,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,503 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 20:14:26,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,504 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:14:26,504 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 20:14:26,504 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 20:14:26,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,505 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:14:26,505 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:14:26,506 WARN L623 FunctionHandler]: Unknown extern function kstrdup [2022-12-13 20:14:26,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,506 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-13 20:14:26,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,508 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-13 20:14:26,508 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,508 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,510 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:26,511 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 20:14:26,511 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:14:26,511 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:14:26,513 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:26,513 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:26,514 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:14:26,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,517 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,518 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:14:26,518 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,518 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:14:26,519 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,519 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:14:26,519 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:14:26,519 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:14:26,520 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,521 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,522 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 20:14:26,523 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:14:26,523 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:14:26,537 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,538 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,538 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,539 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,539 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,546 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,546 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:14:26,546 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,547 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,555 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,558 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,562 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,563 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,565 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,566 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:14:26,567 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,569 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,571 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,574 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:14:26,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,575 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:14:26,582 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,584 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,585 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,589 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 20:14:26,589 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,592 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,593 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:14:26,595 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 20:14:26,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,596 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-13 20:14:26,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,597 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 20:14:26,597 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:14:26,597 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_register [2022-12-13 20:14:26,598 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_unregister [2022-12-13 20:14:26,598 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 20:14:26,598 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-13 20:14:26,598 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 20:14:26,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:14:26,600 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_ipmb_proc_ops_release [2022-12-13 20:14:26,601 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_stats_proc_ops_release [2022-12-13 20:14:26,602 WARN L623 FunctionHandler]: Unknown extern function ldv_smi_version_proc_ops_release [2022-12-13 20:14:26,602 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,602 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,603 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,603 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,603 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,603 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:14:26,604 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,604 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,604 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,604 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,604 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,605 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,605 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,605 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,605 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,605 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,606 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,606 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,606 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,606 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,606 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,609 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,609 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,609 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,609 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,610 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,610 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,610 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,610 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,610 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,611 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,611 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,611 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,611 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,612 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,613 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:14:26,613 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,613 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:14:26,613 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_fa77a740-999b-40a0-8b2c-19d4480493aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2022-12-13 20:14:26,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:14:26,683 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:14:26,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26 WrapperNode [2022-12-13 20:14:26,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:14:26,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:14:26,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:14:26,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:14:26,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,815 INFO L138 Inliner]: procedures = 389, calls = 2887, calls flagged for inlining = 156, calls inlined = 64, statements flattened = 3287 [2022-12-13 20:14:26,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:14:26,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:14:26,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:14:26,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:14:26,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:14:26,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:14:26,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:14:26,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:14:26,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (1/1) ... [2022-12-13 20:14:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:14:26,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:14:26,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:14:26,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa77a740-999b-40a0-8b2c-19d4480493aa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 20:14:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 20:14:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 20:14:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 20:14:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 20:14:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 20:14:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 20:14:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 20:14:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2022-12-13 20:14:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2022-12-13 20:14:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 20:14:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 20:14:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 20:14:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 20:14:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-12-13 20:14:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-12-13 20:14:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 20:14:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 20:14:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2022-12-13 20:14:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 20:14:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2022-12-13 20:14:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-13 20:14:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 20:14:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 20:14:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2022-12-13 20:14:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2022-12-13 20:14:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-13 20:14:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-12-13 20:14:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-12-13 20:14:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 20:14:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-12-13 20:14:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-12-13 20:14:27,403 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:14:27,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:14:34,496 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:14:34,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:14:34,508 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:14:34,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:14:34 BoogieIcfgContainer [2022-12-13 20:14:34,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:14:34,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:14:34,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:14:34,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:14:34,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:14:24" (1/3) ... [2022-12-13 20:14:34,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68477d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:14:34, skipping insertion in model container [2022-12-13 20:14:34,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:26" (2/3) ... [2022-12-13 20:14:34,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68477d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:14:34, skipping insertion in model container [2022-12-13 20:14:34,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:14:34" (3/3) ... [2022-12-13 20:14:34,516 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-12-13 20:14:34,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:14:34,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:14:34,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:14:34,603 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;@5cbb96ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:14:34,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:14:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 1239 states, 859 states have (on average 1.369033760186263) internal successors, (1176), 909 states have internal predecessors, (1176), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2022-12-13 20:14:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 20:14:34,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:34,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:34,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:14:34,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:34,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1393245404, now seen corresponding path program 1 times [2022-12-13 20:14:34,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:34,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362899099] [2022-12-13 20:14:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:35,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:35,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362899099] [2022-12-13 20:14:35,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362899099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:35,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:35,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:14:35,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552273352] [2022-12-13 20:14:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:35,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:14:35,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:35,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:14:35,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:35,055 INFO L87 Difference]: Start difference. First operand has 1239 states, 859 states have (on average 1.369033760186263) internal successors, (1176), 909 states have internal predecessors, (1176), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:35,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:35,317 INFO L93 Difference]: Finished difference Result 3642 states and 5361 transitions. [2022-12-13 20:14:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:14:35,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 20:14:35,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:35,344 INFO L225 Difference]: With dead ends: 3642 [2022-12-13 20:14:35,345 INFO L226 Difference]: Without dead ends: 2402 [2022-12-13 20:14:35,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:14:35,371 INFO L413 NwaCegarLoop]: 2836 mSDtfsCounter, 1705 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 4566 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:35,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 4566 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:35,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2022-12-13 20:14:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 2398. [2022-12-13 20:14:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 1665 states have (on average 1.3663663663663663) internal successors, (2275), 1752 states have internal predecessors, (2275), 590 states have call successors, (590), 143 states have call predecessors, (590), 142 states have return successors, (580), 568 states have call predecessors, (580), 580 states have call successors, (580) [2022-12-13 20:14:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3445 transitions. [2022-12-13 20:14:35,555 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3445 transitions. Word has length 16 [2022-12-13 20:14:35,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:35,556 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 3445 transitions. [2022-12-13 20:14:35,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:14:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3445 transitions. [2022-12-13 20:14:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 20:14:35,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:35,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:35,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:14:35,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:14:35,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:35,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1854504654, now seen corresponding path program 1 times [2022-12-13 20:14:35,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:35,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266949109] [2022-12-13 20:14:35,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:35,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:14:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:35,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:35,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266949109] [2022-12-13 20:14:35,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266949109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:35,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:35,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:14:35,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812195258] [2022-12-13 20:14:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:35,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:14:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:35,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:14:35,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:14:35,844 INFO L87 Difference]: Start difference. First operand 2398 states and 3445 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:14:46,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:14:48,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:14:54,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:14:56,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:14:57,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:05,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:08,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:10,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:10,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:10,904 INFO L93 Difference]: Finished difference Result 7443 states and 10852 transitions. [2022-12-13 20:15:10,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:15:10,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-12-13 20:15:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:10,925 INFO L225 Difference]: With dead ends: 7443 [2022-12-13 20:15:10,925 INFO L226 Difference]: Without dead ends: 5048 [2022-12-13 20:15:10,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:15:10,932 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 2645 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 8366 mSolverCounterSat, 1413 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 9782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 8366 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:10,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2968 Valid, 1187 Invalid, 9782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1413 Valid, 8366 Invalid, 3 Unknown, 0 Unchecked, 34.6s Time] [2022-12-13 20:15:10,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5048 states. [2022-12-13 20:15:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5048 to 4740. [2022-12-13 20:15:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4740 states, 3294 states have (on average 1.3664238008500305) internal successors, (4501), 3460 states have internal predecessors, (4501), 1163 states have call successors, (1163), 282 states have call predecessors, (1163), 282 states have return successors, (1156), 1129 states have call predecessors, (1156), 1153 states have call successors, (1156) [2022-12-13 20:15:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 6820 transitions. [2022-12-13 20:15:11,151 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 6820 transitions. Word has length 23 [2022-12-13 20:15:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:11,151 INFO L495 AbstractCegarLoop]: Abstraction has 4740 states and 6820 transitions. [2022-12-13 20:15:11,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 6820 transitions. [2022-12-13 20:15:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:15:11,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:11,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:11,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:15:11,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:15:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1690190994, now seen corresponding path program 1 times [2022-12-13 20:15:11,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219559267] [2022-12-13 20:15:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:15:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:15:11,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:11,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219559267] [2022-12-13 20:15:11,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219559267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:11,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:11,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:15:11,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940679437] [2022-12-13 20:15:11,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:11,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:15:11,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:15:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:15:11,316 INFO L87 Difference]: Start difference. First operand 4740 states and 6820 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:16,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:19,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:20,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:21,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:22,084 INFO L93 Difference]: Finished difference Result 8528 states and 12380 transitions. [2022-12-13 20:15:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:15:22,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-13 20:15:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:22,112 INFO L225 Difference]: With dead ends: 8528 [2022-12-13 20:15:22,112 INFO L226 Difference]: Without dead ends: 3791 [2022-12-13 20:15:22,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:15:22,135 INFO L413 NwaCegarLoop]: 1399 mSDtfsCounter, 2155 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 2846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:22,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 2734 Invalid, 2846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-12-13 20:15:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2022-12-13 20:15:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3575. [2022-12-13 20:15:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 2484 states have (on average 1.3651368760064413) internal successors, (3391), 2611 states have internal predecessors, (3391), 877 states have call successors, (877), 213 states have call predecessors, (877), 213 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:15:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5138 transitions. [2022-12-13 20:15:22,373 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5138 transitions. Word has length 25 [2022-12-13 20:15:22,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:22,373 INFO L495 AbstractCegarLoop]: Abstraction has 3575 states and 5138 transitions. [2022-12-13 20:15:22,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5138 transitions. [2022-12-13 20:15:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 20:15:22,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:22,374 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:22,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:15:22,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:15:22,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1136355247, now seen corresponding path program 1 times [2022-12-13 20:15:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:22,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393107707] [2022-12-13 20:15:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:15:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:15:22,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:22,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393107707] [2022-12-13 20:15:22,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393107707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:22,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:22,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:15:22,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138955720] [2022-12-13 20:15:22,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:22,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:15:22,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:22,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:15:22,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:15:22,502 INFO L87 Difference]: Start difference. First operand 3575 states and 5138 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:27,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:29,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:33,119 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 [] [2022-12-13 20:15:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:33,273 INFO L93 Difference]: Finished difference Result 3813 states and 5573 transitions. [2022-12-13 20:15:33,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:15:33,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-12-13 20:15:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:33,285 INFO L225 Difference]: With dead ends: 3813 [2022-12-13 20:15:33,286 INFO L226 Difference]: Without dead ends: 3809 [2022-12-13 20:15:33,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:15:33,287 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 1895 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 529 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:33,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2054 Valid, 1442 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1485 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-12-13 20:15:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2022-12-13 20:15:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3591. [2022-12-13 20:15:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 2496 states have (on average 1.3617788461538463) internal successors, (3399), 2621 states have internal predecessors, (3399), 875 states have call successors, (875), 219 states have call predecessors, (875), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:15:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 5144 transitions. [2022-12-13 20:15:33,520 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 5144 transitions. Word has length 35 [2022-12-13 20:15:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:33,520 INFO L495 AbstractCegarLoop]: Abstraction has 3591 states and 5144 transitions. [2022-12-13 20:15:33,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 5144 transitions. [2022-12-13 20:15:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 20:15:33,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:33,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:33,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:15:33,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:15:33,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:33,523 INFO L85 PathProgramCache]: Analyzing trace with hash -867928403, now seen corresponding path program 1 times [2022-12-13 20:15:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:33,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440573563] [2022-12-13 20:15:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:15:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:15:33,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:33,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440573563] [2022-12-13 20:15:33,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440573563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:33,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:33,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:15:33,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023856872] [2022-12-13 20:15:33,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:33,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:15:33,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:15:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:15:33,681 INFO L87 Difference]: Start difference. First operand 3591 states and 5144 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:38,238 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 [] [2022-12-13 20:15:42,596 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 [] [2022-12-13 20:15:42,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:42,712 INFO L93 Difference]: Finished difference Result 3809 states and 5566 transitions. [2022-12-13 20:15:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:15:42,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-13 20:15:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:42,723 INFO L225 Difference]: With dead ends: 3809 [2022-12-13 20:15:42,723 INFO L226 Difference]: Without dead ends: 3806 [2022-12-13 20:15:42,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:15:42,724 INFO L413 NwaCegarLoop]: 1237 mSDtfsCounter, 1911 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:42,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 1417 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1464 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-12-13 20:15:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2022-12-13 20:15:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3590. [2022-12-13 20:15:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 2496 states have (on average 1.361378205128205) internal successors, (3398), 2620 states have internal predecessors, (3398), 874 states have call successors, (874), 219 states have call predecessors, (874), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:15:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5142 transitions. [2022-12-13 20:15:42,961 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5142 transitions. Word has length 36 [2022-12-13 20:15:42,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:42,961 INFO L495 AbstractCegarLoop]: Abstraction has 3590 states and 5142 transitions. [2022-12-13 20:15:42,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5142 transitions. [2022-12-13 20:15:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 20:15:42,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:42,964 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:42,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:15:42,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:15:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:42,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1136625964, now seen corresponding path program 1 times [2022-12-13 20:15:42,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:42,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885453708] [2022-12-13 20:15:42,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:42,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:15:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:15:43,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:43,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885453708] [2022-12-13 20:15:43,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885453708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:43,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:43,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:15:43,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873511158] [2022-12-13 20:15:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:43,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:15:43,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:43,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:15:43,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:15:43,120 INFO L87 Difference]: Start difference. First operand 3590 states and 5142 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:49,133 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 [] [2022-12-13 20:15:51,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:15:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:15:51,142 INFO L93 Difference]: Finished difference Result 3808 states and 5564 transitions. [2022-12-13 20:15:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:15:51,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-12-13 20:15:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:15:51,155 INFO L225 Difference]: With dead ends: 3808 [2022-12-13 20:15:51,155 INFO L226 Difference]: Without dead ends: 3805 [2022-12-13 20:15:51,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:15:51,156 INFO L413 NwaCegarLoop]: 1244 mSDtfsCounter, 1912 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2090 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:15:51,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2090 Valid, 1421 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1476 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-13 20:15:51,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3805 states. [2022-12-13 20:15:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3805 to 3589. [2022-12-13 20:15:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 2496 states have (on average 1.360977564102564) internal successors, (3397), 2619 states have internal predecessors, (3397), 873 states have call successors, (873), 219 states have call predecessors, (873), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:15:51,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5140 transitions. [2022-12-13 20:15:51,397 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5140 transitions. Word has length 37 [2022-12-13 20:15:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:15:51,397 INFO L495 AbstractCegarLoop]: Abstraction has 3589 states and 5140 transitions. [2022-12-13 20:15:51,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5140 transitions. [2022-12-13 20:15:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:15:51,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:15:51,399 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:15:51,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:15:51,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:15:51,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:15:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash -876310896, now seen corresponding path program 1 times [2022-12-13 20:15:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:15:51,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171514557] [2022-12-13 20:15:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:15:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:15:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:15:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:15:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:15:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:15:51,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171514557] [2022-12-13 20:15:51,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171514557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:15:51,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:15:51,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:15:51,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603726319] [2022-12-13 20:15:51,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:15:51,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:15:51,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:15:51,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:15:51,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:15:51,526 INFO L87 Difference]: Start difference. First operand 3589 states and 5140 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:15:58,873 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 [] [2022-12-13 20:16:00,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:00,577 INFO L93 Difference]: Finished difference Result 3807 states and 5562 transitions. [2022-12-13 20:16:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:16:00,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-12-13 20:16:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:00,589 INFO L225 Difference]: With dead ends: 3807 [2022-12-13 20:16:00,589 INFO L226 Difference]: Without dead ends: 3804 [2022-12-13 20:16:00,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:16:00,590 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 1908 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 507 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:00,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 1414 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1471 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-12-13 20:16:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2022-12-13 20:16:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3588. [2022-12-13 20:16:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2496 states have (on average 1.3605769230769231) internal successors, (3396), 2618 states have internal predecessors, (3396), 872 states have call successors, (872), 219 states have call predecessors, (872), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:16:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 5138 transitions. [2022-12-13 20:16:00,762 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 5138 transitions. Word has length 38 [2022-12-13 20:16:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:00,762 INFO L495 AbstractCegarLoop]: Abstraction has 3588 states and 5138 transitions. [2022-12-13 20:16:00,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 5138 transitions. [2022-12-13 20:16:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 20:16:00,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:00,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:00,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:16:00,764 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:00,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1396473513, now seen corresponding path program 1 times [2022-12-13 20:16:00,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:00,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358742638] [2022-12-13 20:16:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:16:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:16:00,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:00,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358742638] [2022-12-13 20:16:00,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358742638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:00,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:00,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:16:00,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964413378] [2022-12-13 20:16:00,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:00,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:16:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:00,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:16:00,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:16:00,866 INFO L87 Difference]: Start difference. First operand 3588 states and 5138 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:09,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:09,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:09,279 INFO L93 Difference]: Finished difference Result 3806 states and 5560 transitions. [2022-12-13 20:16:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:16:09,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-12-13 20:16:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:09,289 INFO L225 Difference]: With dead ends: 3806 [2022-12-13 20:16:09,289 INFO L226 Difference]: Without dead ends: 3803 [2022-12-13 20:16:09,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:16:09,290 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 1905 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:09,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 1406 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-12-13 20:16:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2022-12-13 20:16:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3587. [2022-12-13 20:16:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 2496 states have (on average 1.3601762820512822) internal successors, (3395), 2617 states have internal predecessors, (3395), 871 states have call successors, (871), 219 states have call predecessors, (871), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:16:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 5136 transitions. [2022-12-13 20:16:09,474 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 5136 transitions. Word has length 39 [2022-12-13 20:16:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:09,475 INFO L495 AbstractCegarLoop]: Abstraction has 3587 states and 5136 transitions. [2022-12-13 20:16:09,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 5136 transitions. [2022-12-13 20:16:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 20:16:09,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:09,476 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:09,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:16:09,476 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash -341640589, now seen corresponding path program 1 times [2022-12-13 20:16:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:09,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703206034] [2022-12-13 20:16:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:09,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:16:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:16:09,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:09,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703206034] [2022-12-13 20:16:09,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703206034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:09,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:09,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:16:09,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423354057] [2022-12-13 20:16:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:09,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:16:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:09,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:16:09,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:16:09,589 INFO L87 Difference]: Start difference. First operand 3587 states and 5136 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:17,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:18,382 INFO L93 Difference]: Finished difference Result 3805 states and 5558 transitions. [2022-12-13 20:16:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:16:18,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-12-13 20:16:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:18,391 INFO L225 Difference]: With dead ends: 3805 [2022-12-13 20:16:18,391 INFO L226 Difference]: Without dead ends: 3802 [2022-12-13 20:16:18,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:16:18,392 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 1903 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:18,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 1405 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-12-13 20:16:18,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2022-12-13 20:16:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 3586. [2022-12-13 20:16:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2496 states have (on average 1.359775641025641) internal successors, (3394), 2616 states have internal predecessors, (3394), 870 states have call successors, (870), 219 states have call predecessors, (870), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:16:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 5134 transitions. [2022-12-13 20:16:18,574 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 5134 transitions. Word has length 40 [2022-12-13 20:16:18,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:18,575 INFO L495 AbstractCegarLoop]: Abstraction has 3586 states and 5134 transitions. [2022-12-13 20:16:18,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 5134 transitions. [2022-12-13 20:16:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 20:16:18,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:18,576 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:18,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:16:18,576 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2001553446, now seen corresponding path program 1 times [2022-12-13 20:16:18,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:18,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262529595] [2022-12-13 20:16:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:16:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:16:18,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:18,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262529595] [2022-12-13 20:16:18,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262529595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:18,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:18,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:16:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484606807] [2022-12-13 20:16:18,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:18,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:16:18,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:18,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:16:18,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:16:18,697 INFO L87 Difference]: Start difference. First operand 3586 states and 5134 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:22,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:25,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:28,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:28,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:28,516 INFO L93 Difference]: Finished difference Result 3804 states and 5556 transitions. [2022-12-13 20:16:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:16:28,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-12-13 20:16:28,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:28,524 INFO L225 Difference]: With dead ends: 3804 [2022-12-13 20:16:28,524 INFO L226 Difference]: Without dead ends: 3801 [2022-12-13 20:16:28,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:16:28,526 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 1900 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 504 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:28,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 1409 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1476 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-13 20:16:28,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-12-13 20:16:28,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3585. [2022-12-13 20:16:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2496 states have (on average 1.359375) internal successors, (3393), 2615 states have internal predecessors, (3393), 869 states have call successors, (869), 219 states have call predecessors, (869), 219 states have return successors, (870), 849 states have call predecessors, (870), 867 states have call successors, (870) [2022-12-13 20:16:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 5132 transitions. [2022-12-13 20:16:28,722 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 5132 transitions. Word has length 41 [2022-12-13 20:16:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:28,722 INFO L495 AbstractCegarLoop]: Abstraction has 3585 states and 5132 transitions. [2022-12-13 20:16:28,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 5132 transitions. [2022-12-13 20:16:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 20:16:28,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:28,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:28,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:16:28,725 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:28,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:28,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1919239594, now seen corresponding path program 1 times [2022-12-13 20:16:28,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:28,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683691295] [2022-12-13 20:16:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:16:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 20:16:28,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:28,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683691295] [2022-12-13 20:16:28,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683691295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:28,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:28,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:16:28,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909727515] [2022-12-13 20:16:28,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:28,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:16:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:28,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:16:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:16:28,860 INFO L87 Difference]: Start difference. First operand 3585 states and 5132 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:35,850 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 [] [2022-12-13 20:16:36,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:36,543 INFO L93 Difference]: Finished difference Result 3803 states and 5554 transitions. [2022-12-13 20:16:36,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:16:36,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-12-13 20:16:36,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:36,552 INFO L225 Difference]: With dead ends: 3803 [2022-12-13 20:16:36,552 INFO L226 Difference]: Without dead ends: 3772 [2022-12-13 20:16:36,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:16:36,555 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 1896 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:36,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 1402 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1467 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-12-13 20:16:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-12-13 20:16:36,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3556. [2022-12-13 20:16:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 2473 states have (on average 1.360695511524464) internal successors, (3365), 2591 states have internal predecessors, (3365), 864 states have call successors, (864), 218 states have call predecessors, (864), 218 states have return successors, (866), 845 states have call predecessors, (866), 863 states have call successors, (866) [2022-12-13 20:16:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 5095 transitions. [2022-12-13 20:16:36,794 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 5095 transitions. Word has length 42 [2022-12-13 20:16:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:36,795 INFO L495 AbstractCegarLoop]: Abstraction has 3556 states and 5095 transitions. [2022-12-13 20:16:36,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 5095 transitions. [2022-12-13 20:16:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 20:16:36,799 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:36,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:36,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:16:36,800 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:36,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:36,800 INFO L85 PathProgramCache]: Analyzing trace with hash -130821556, now seen corresponding path program 1 times [2022-12-13 20:16:36,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:36,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678649522] [2022-12-13 20:16:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:16:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:16:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:16:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:16:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:16:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:16:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:16:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 20:16:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:16:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 20:16:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:16:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 20:16:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:16:37,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:37,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678649522] [2022-12-13 20:16:37,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678649522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:37,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:37,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:16:37,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209846551] [2022-12-13 20:16:37,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:37,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:16:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:37,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:16:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:16:37,086 INFO L87 Difference]: Start difference. First operand 3556 states and 5095 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 20:16:44,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:48,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:50,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:16:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:52,966 INFO L93 Difference]: Finished difference Result 7428 states and 11155 transitions. [2022-12-13 20:16:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:16:52,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2022-12-13 20:16:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:52,981 INFO L225 Difference]: With dead ends: 7428 [2022-12-13 20:16:52,981 INFO L226 Difference]: Without dead ends: 3875 [2022-12-13 20:16:52,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:16:52,993 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 1587 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 3865 mSolverCounterSat, 700 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 4796 SdHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 700 IncrementalHoareTripleChecker+Valid, 3865 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:52,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 4796 Invalid, 4566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [700 Valid, 3865 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2022-12-13 20:16:52,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3875 states. [2022-12-13 20:16:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3875 to 2623. [2022-12-13 20:16:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2623 states, 1854 states have (on average 1.3732470334412081) internal successors, (2546), 1933 states have internal predecessors, (2546), 605 states have call successors, (605), 163 states have call predecessors, (605), 163 states have return successors, (607), 592 states have call predecessors, (607), 604 states have call successors, (607) [2022-12-13 20:16:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3758 transitions. [2022-12-13 20:16:53,228 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3758 transitions. Word has length 119 [2022-12-13 20:16:53,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:53,228 INFO L495 AbstractCegarLoop]: Abstraction has 2623 states and 3758 transitions. [2022-12-13 20:16:53,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 20:16:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3758 transitions. [2022-12-13 20:16:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 20:16:53,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:53,238 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:53,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 20:16:53,238 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:16:53,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:53,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1262052225, now seen corresponding path program 1 times [2022-12-13 20:16:53,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:53,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982941278] [2022-12-13 20:16:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:53,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:16:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:16:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 20:16:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:16:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:16:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:16:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:16:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 20:16:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 20:16:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 20:16:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:16:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 20:16:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 20:16:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 20:16:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:53,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982941278] [2022-12-13 20:16:53,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982941278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:53,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:53,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 20:16:53,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135973644] [2022-12-13 20:16:53,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:53,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:16:53,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:16:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:16:53,640 INFO L87 Difference]: Start difference. First operand 2623 states and 3758 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (21), 9 states have call predecessors, (21), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 20:17:03,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:17:06,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:17:07,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:17:11,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:17:12,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:17:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:17:12,484 INFO L93 Difference]: Finished difference Result 3826 states and 6005 transitions. [2022-12-13 20:17:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:17:12,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (21), 9 states have call predecessors, (21), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 138 [2022-12-13 20:17:12,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:17:12,485 INFO L225 Difference]: With dead ends: 3826 [2022-12-13 20:17:12,485 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:17:12,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-13 20:17:12,493 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 2444 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 4318 mSolverCounterSat, 2154 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 4427 SdHoareTripleChecker+Invalid, 6474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2154 IncrementalHoareTripleChecker+Valid, 4318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:17:12,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 4427 Invalid, 6474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2154 Valid, 4318 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2022-12-13 20:17:12,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:17:12,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:17:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:17:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:17:12,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2022-12-13 20:17:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:17:12,495 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:17:12,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (21), 9 states have call predecessors, (21), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 20:17:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:17:12,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:17:12,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:17:12,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 20:17:12,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:17:26,110 WARN L233 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:17:37,101 WARN L233 SmtUtils]: Spent 9.98s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:17:46,242 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:17:55,628 WARN L233 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:05,221 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:16,519 WARN L233 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:26,903 WARN L233 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:37,685 WARN L233 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:48,865 WARN L233 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:18:58,993 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:19:09,137 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:19:21,302 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:19:30,427 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:19:40,559 WARN L233 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:19:49,700 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:20:00,862 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:23:31,713 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:23:41,852 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:23:52,029 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:24:01,145 WARN L233 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:24:52,800 WARN L233 SmtUtils]: Spent 17.01s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:25:14,510 WARN L233 SmtUtils]: Spent 21.71s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:25:31,921 WARN L233 SmtUtils]: Spent 17.41s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:25:51,407 WARN L233 SmtUtils]: Spent 17.69s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:26:10,263 WARN L233 SmtUtils]: Spent 17.05s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:26:28,598 WARN L233 SmtUtils]: Spent 16.53s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:26:47,441 WARN L233 SmtUtils]: Spent 16.75s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:27:08,860 WARN L233 SmtUtils]: Spent 17.74s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:27:30,126 WARN L233 SmtUtils]: Spent 17.13s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:27:47,323 WARN L233 SmtUtils]: Spent 17.20s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:28:04,512 WARN L233 SmtUtils]: Spent 17.19s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:28:26,208 WARN L233 SmtUtils]: Spent 18.10s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 20:28:45,454 WARN L233 SmtUtils]: Spent 17.11s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)