./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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 71101d2b79b59e25da9ba6ac44f6028cc3034769032ea6dc2bebcfbbe6cd49e1 --- 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 10:54:35,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:54:35,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:54:35,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:54:35,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:54:35,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:54:35,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:54:35,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:54:35,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:54:35,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:54:35,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:54:35,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:54:35,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:54:35,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:54:35,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:54:35,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:54:35,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:54:35,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:54:35,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:54:35,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:54:35,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:54:35,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:54:35,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:54:35,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:54:35,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:54:35,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:54:35,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:54:35,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:54:35,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:54:35,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:54:35,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:54:35,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:54:35,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:54:35,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:54:35,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:54:35,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:54:35,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:54:35,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:54:35,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:54:35,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:54:35,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:54:35,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 10:54:35,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:54:35,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:54:35,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:54:35,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:54:35,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 10:54:35,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 10:54:35,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:54:35,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:54:35,895 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:54:35,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:54:35,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 10:54:35,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:54:35,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:54:35,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:54:35,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:54:35,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:54:35,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:54:35,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:54:35,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:54:35,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:54:35,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:54:35,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:54:35,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:54:35,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:54:35,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:54:35,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 10:54:35,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 10:54:35,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 10:54:35,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 10:54:35,906 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 10:54:35,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 10:54:35,906 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 10:54:35,906 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71101d2b79b59e25da9ba6ac44f6028cc3034769032ea6dc2bebcfbbe6cd49e1 [2022-12-13 10:54:36,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:54:36,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:54:36,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:54:36,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:54:36,095 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:54:36,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:54:38,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:54:38,993 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:54:38,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:54:39,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/ba407b88a/8c92fe106b744aafa232742b0c73ec21/FLAGbe62ebc5c [2022-12-13 10:54:39,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/ba407b88a/8c92fe106b744aafa232742b0c73ec21 [2022-12-13 10:54:39,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:54:39,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:54:39,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:54:39,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:54:39,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:54:39,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:54:39" (1/1) ... [2022-12-13 10:54:39,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a78a562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:39, skipping insertion in model container [2022-12-13 10:54:39,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:54:39" (1/1) ... [2022-12-13 10:54:39,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:54:39,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:54:39,693 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:54:39,698 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:54:39,707 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 10:54:39,749 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 10:54:39,778 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 10:54:39,795 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:39,800 WARN L611 FunctionHandler]: implicit declaration of function ldv_assume [2022-12-13 10:54:39,823 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:54:39,824 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:54:39,825 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:54:39,825 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 10:54:39,829 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:54:39,829 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:54:39,830 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:54:39,830 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 10:54:39,867 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:54:39,922 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161338,161351] [2022-12-13 10:54:39,952 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-12-13 10:54:39,956 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:54:39,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:39,997 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:54:40,025 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:54:40,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,027 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,029 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,031 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,037 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,038 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,043 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:54:40,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,048 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,049 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,054 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,054 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,059 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:54:40,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,069 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-13 10:54:40,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,070 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-13 10:54:40,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,074 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 10:54:40,090 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,100 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:54:40,102 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,113 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-12-13 10:54:40,117 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:54:40,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:54:40,125 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,143 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,144 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 10:54:40,144 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:54:40,144 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:54:40,145 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 10:54:40,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,149 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:54:40,149 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:54:40,150 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 10:54:40,152 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-13 10:54:40,159 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,173 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,177 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,181 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 10:54:40,182 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 10:54:40,183 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:54:40,184 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-12-13 10:54:40,185 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,189 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 10:54:40,190 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,191 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-12-13 10:54:40,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,210 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,210 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,214 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,219 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:54:40,224 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,224 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:54:40,225 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,228 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-12-13 10:54:40,232 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-12-13 10:54:40,235 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-12-13 10:54:40,249 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-12-13 10:54:40,249 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:54:40,250 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:54:40,253 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,253 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,253 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,254 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,254 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,255 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,255 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,255 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,256 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,256 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-12-13 10:54:40,256 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,257 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,288 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,297 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:40,299 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:40,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:54:40,321 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:54:40,399 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:54:40,400 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:54:40,400 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 10:54:40,402 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 10:54:40,403 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 10:54:40,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:40,404 WARN L611 FunctionHandler]: implicit declaration of function ldv_assume [2022-12-13 10:54:40,405 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:54:40,406 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:54:40,406 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:54:40,406 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 10:54:40,406 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:54:40,407 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:54:40,407 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:54:40,407 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 10:54:40,409 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:54:40,411 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161338,161351] [2022-12-13 10:54:40,412 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-12-13 10:54:40,413 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:54:40,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,416 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:54:40,420 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:54:40,421 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,421 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,422 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,423 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,424 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,424 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,425 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:54:40,425 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,426 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,426 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,427 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,427 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,428 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:54:40,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,431 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-13 10:54:40,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,431 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-13 10:54:40,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,432 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 10:54:40,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,453 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:54:40,455 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,457 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-12-13 10:54:40,458 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:54:40,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:54:40,462 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:54:40,469 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 10:54:40,469 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:54:40,469 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:54:40,469 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 10:54:40,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,470 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,471 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:54:40,471 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:54:40,471 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 10:54:40,475 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-13 10:54:40,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,480 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 10:54:40,480 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 10:54:40,481 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:54:40,485 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-12-13 10:54:40,486 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,487 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 10:54:40,487 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,491 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-12-13 10:54:40,492 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:54:40,501 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:54:40,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:54:40,504 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,505 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:54:40,506 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:54:40,507 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,507 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:54:40,508 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:54:40,508 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-12-13 10:54:40,509 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-12-13 10:54:40,509 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-12-13 10:54:40,512 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-12-13 10:54:40,512 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:54:40,512 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:54:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,515 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-12-13 10:54:40,516 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,516 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:54:40,519 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:54:40,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:40,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:54:40,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:54:40,548 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:54:40,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40 WrapperNode [2022-12-13 10:54:40,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:54:40,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:54:40,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:54:40,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:54:40,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,653 INFO L138 Inliner]: procedures = 185, calls = 853, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2129 [2022-12-13 10:54:40,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:54:40,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:54:40,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:54:40,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:54:40,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:54:40,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:54:40,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:54:40,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:54:40,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (1/1) ... [2022-12-13 10:54:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:54:40,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:54:40,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 10:54:40,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 10:54:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 10:54:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-13 10:54:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-12-13 10:54:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-12-13 10:54:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 10:54:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 10:54:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 10:54:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 10:54:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 10:54:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-12-13 10:54:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-12-13 10:54:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-12-13 10:54:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-12-13 10:54:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-12-13 10:54:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-12-13 10:54:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 10:54:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-12-13 10:54:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 10:54:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 10:54:41,156 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:54:41,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:54:41,435 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 10:54:43,124 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:54:43,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:54:43,138 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 10:54:43,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:43 BoogieIcfgContainer [2022-12-13 10:54:43,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:54:43,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:54:43,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:54:43,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:54:43,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:54:39" (1/3) ... [2022-12-13 10:54:43,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fff1f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:54:43, skipping insertion in model container [2022-12-13 10:54:43,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:40" (2/3) ... [2022-12-13 10:54:43,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fff1f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:54:43, skipping insertion in model container [2022-12-13 10:54:43,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:43" (3/3) ... [2022-12-13 10:54:43,149 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:54:43,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:54:43,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 10:54:43,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:54:43,228 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;@3600fe1a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 10:54:43,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 10:54:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 849 states, 593 states have (on average 1.3254637436762227) internal successors, (786), 610 states have internal predecessors, (786), 194 states have call successors, (194), 61 states have call predecessors, (194), 60 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) [2022-12-13 10:54:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 10:54:43,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:54:43,243 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] [2022-12-13 10:54:43,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:54:43,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:54:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash -578429950, now seen corresponding path program 1 times [2022-12-13 10:54:43,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:54:43,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562692778] [2022-12-13 10:54:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:54:43,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:54:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:54:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 10:54:43,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:54:43,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562692778] [2022-12-13 10:54:43,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562692778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:54:43,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:54:43,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:54:43,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6214306] [2022-12-13 10:54:43,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:54:43,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:54:43,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:54:43,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:54:43,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:54:43,718 INFO L87 Difference]: Start difference. First operand has 849 states, 593 states have (on average 1.3254637436762227) internal successors, (786), 610 states have internal predecessors, (786), 194 states have call successors, (194), 61 states have call predecessors, (194), 60 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 10:54:47,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:54:47,285 INFO L93 Difference]: Finished difference Result 2699 states and 3916 transitions. [2022-12-13 10:54:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:54:47,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-13 10:54:47,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:54:47,305 INFO L225 Difference]: With dead ends: 2699 [2022-12-13 10:54:47,305 INFO L226 Difference]: Without dead ends: 1809 [2022-12-13 10:54:47,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:54:47,315 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 1686 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 3780 SdHoareTripleChecker+Invalid, 3300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 10:54:47,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 3780 Invalid, 3300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [526 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 10:54:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-12-13 10:54:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1647. [2022-12-13 10:54:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1647 states, 1155 states have (on average 1.3056277056277057) internal successors, (1508), 1180 states have internal predecessors, (1508), 372 states have call successors, (372), 118 states have call predecessors, (372), 119 states have return successors, (385), 370 states have call predecessors, (385), 371 states have call successors, (385) [2022-12-13 10:54:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2265 transitions. [2022-12-13 10:54:47,444 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2265 transitions. Word has length 32 [2022-12-13 10:54:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:54:47,445 INFO L495 AbstractCegarLoop]: Abstraction has 1647 states and 2265 transitions. [2022-12-13 10:54:47,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 10:54:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2265 transitions. [2022-12-13 10:54:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 10:54:47,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:54:47,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:54:47,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 10:54:47,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:54:47,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:54:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash -462953183, now seen corresponding path program 1 times [2022-12-13 10:54:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:54:47,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281476716] [2022-12-13 10:54:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:54:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:54:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:54:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 10:54:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 10:54:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:54:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 10:54:47,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:54:47,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281476716] [2022-12-13 10:54:47,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281476716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:54:47,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:54:47,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:54:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355581391] [2022-12-13 10:54:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:54:47,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:54:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:54:47,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:54:47,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:54:47,593 INFO L87 Difference]: Start difference. First operand 1647 states and 2265 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 10:54:51,327 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 10:54:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:54:52,053 INFO L93 Difference]: Finished difference Result 3683 states and 5214 transitions. [2022-12-13 10:54:52,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 10:54:52,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2022-12-13 10:54:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:54:52,066 INFO L225 Difference]: With dead ends: 3683 [2022-12-13 10:54:52,066 INFO L226 Difference]: Without dead ends: 2044 [2022-12-13 10:54:52,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:54:52,073 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 823 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 10:54:52,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 1975 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 10:54:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2022-12-13 10:54:52,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1748. [2022-12-13 10:54:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1232 states have (on average 1.3043831168831168) internal successors, (1607), 1260 states have internal predecessors, (1607), 384 states have call successors, (384), 127 states have call predecessors, (384), 131 states have return successors, (403), 382 states have call predecessors, (403), 383 states have call successors, (403) [2022-12-13 10:54:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2394 transitions. [2022-12-13 10:54:52,153 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2394 transitions. Word has length 77 [2022-12-13 10:54:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:54:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 1748 states and 2394 transitions. [2022-12-13 10:54:52,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 10:54:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2394 transitions. [2022-12-13 10:54:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 10:54:52,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:54:52,157 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:54:52,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 10:54:52,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:54:52,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:54:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash 852347924, now seen corresponding path program 1 times [2022-12-13 10:54:52,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:54:52,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038353577] [2022-12-13 10:54:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:54:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:54:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:54:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:54:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:54:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 10:54:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 10:54:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:54:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 10:54:52,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:54:52,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038353577] [2022-12-13 10:54:52,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038353577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:54:52,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:54:52,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:54:52,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209189389] [2022-12-13 10:54:52,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:54:52,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:54:52,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:54:52,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:54:52,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:54:52,330 INFO L87 Difference]: Start difference. First operand 1748 states and 2394 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:54:56,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:54:58,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:54:59,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:54:59,382 INFO L93 Difference]: Finished difference Result 5322 states and 7558 transitions. [2022-12-13 10:54:59,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 10:54:59,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-12-13 10:54:59,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:54:59,394 INFO L225 Difference]: With dead ends: 5322 [2022-12-13 10:54:59,395 INFO L226 Difference]: Without dead ends: 3603 [2022-12-13 10:54:59,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:54:59,400 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 2788 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 1554 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 3976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 10:54:59,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 1945 Invalid, 3976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 2421 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 10:54:59,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2022-12-13 10:54:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3036. [2022-12-13 10:54:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 2158 states have (on average 1.294717330861909) internal successors, (2794), 2200 states have internal predecessors, (2794), 634 states have call successors, (634), 234 states have call predecessors, (634), 243 states have return successors, (661), 631 states have call predecessors, (661), 633 states have call successors, (661) [2022-12-13 10:54:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 4089 transitions. [2022-12-13 10:54:59,542 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 4089 transitions. Word has length 101 [2022-12-13 10:54:59,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:54:59,543 INFO L495 AbstractCegarLoop]: Abstraction has 3036 states and 4089 transitions. [2022-12-13 10:54:59,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:54:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 4089 transitions. [2022-12-13 10:54:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 10:54:59,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:54:59,547 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:54:59,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 10:54:59,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:54:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:54:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash -216640844, now seen corresponding path program 1 times [2022-12-13 10:54:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:54:59,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59762829] [2022-12-13 10:54:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:54:59,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:54:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:54:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:54:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:54:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:54:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:54:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 10:54:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:54:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:54:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 10:54:59,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:54:59,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59762829] [2022-12-13 10:54:59,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59762829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:54:59,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:54:59,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:54:59,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041475450] [2022-12-13 10:54:59,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:54:59,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:54:59,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:54:59,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:54:59,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:54:59,731 INFO L87 Difference]: Start difference. First operand 3036 states and 4089 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 10:55:03,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:55:04,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:04,642 INFO L93 Difference]: Finished difference Result 5172 states and 7293 transitions. [2022-12-13 10:55:04,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:04,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2022-12-13 10:55:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:04,654 INFO L225 Difference]: With dead ends: 5172 [2022-12-13 10:55:04,654 INFO L226 Difference]: Without dead ends: 3598 [2022-12-13 10:55:04,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 10:55:04,658 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 417 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:04,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 2193 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 10:55:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2022-12-13 10:55:04,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3040. [2022-12-13 10:55:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2162 states have (on average 1.2941720629047178) internal successors, (2798), 2204 states have internal predecessors, (2798), 634 states have call successors, (634), 234 states have call predecessors, (634), 243 states have return successors, (661), 631 states have call predecessors, (661), 633 states have call successors, (661) [2022-12-13 10:55:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 4093 transitions. [2022-12-13 10:55:04,775 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 4093 transitions. Word has length 101 [2022-12-13 10:55:04,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:04,776 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 4093 transitions. [2022-12-13 10:55:04,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 10:55:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 4093 transitions. [2022-12-13 10:55:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 10:55:04,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:04,779 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:04,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 10:55:04,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:04,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:04,780 INFO L85 PathProgramCache]: Analyzing trace with hash -352062125, now seen corresponding path program 1 times [2022-12-13 10:55:04,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:04,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176891512] [2022-12-13 10:55:04,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:04,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 10:55:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 10:55:05,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:05,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176891512] [2022-12-13 10:55:05,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176891512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:05,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:05,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 10:55:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732437668] [2022-12-13 10:55:05,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:05,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 10:55:05,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:05,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 10:55:05,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:55:05,229 INFO L87 Difference]: Start difference. First operand 3040 states and 4093 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:55:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:11,778 INFO L93 Difference]: Finished difference Result 7327 states and 10232 transitions. [2022-12-13 10:55:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 10:55:11,779 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2022-12-13 10:55:11,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:11,792 INFO L225 Difference]: With dead ends: 7327 [2022-12-13 10:55:11,792 INFO L226 Difference]: Without dead ends: 4316 [2022-12-13 10:55:11,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-12-13 10:55:11,797 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 3401 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 6022 mSolverCounterSat, 1847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 7869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1847 IncrementalHoareTripleChecker+Valid, 6022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:11,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3675 Valid, 2914 Invalid, 7869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1847 Valid, 6022 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-12-13 10:55:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2022-12-13 10:55:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 3598. [2022-12-13 10:55:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2560 states have (on average 1.28828125) internal successors, (3298), 2610 states have internal predecessors, (3298), 756 states have call successors, (756), 276 states have call predecessors, (756), 281 states have return successors, (781), 749 states have call predecessors, (781), 755 states have call successors, (781) [2022-12-13 10:55:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 4835 transitions. [2022-12-13 10:55:11,964 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 4835 transitions. Word has length 103 [2022-12-13 10:55:11,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:11,964 INFO L495 AbstractCegarLoop]: Abstraction has 3598 states and 4835 transitions. [2022-12-13 10:55:11,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:55:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 4835 transitions. [2022-12-13 10:55:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-13 10:55:11,968 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:11,969 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:11,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 10:55:11,969 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1533963570, now seen corresponding path program 1 times [2022-12-13 10:55:11,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:11,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68247552] [2022-12-13 10:55:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 10:55:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 10:55:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 10:55:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 10:55:12,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:12,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68247552] [2022-12-13 10:55:12,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68247552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:12,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:12,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 10:55:12,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559165867] [2022-12-13 10:55:12,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:12,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 10:55:12,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:12,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 10:55:12,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:55:12,574 INFO L87 Difference]: Start difference. First operand 3598 states and 4835 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 10:55:16,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:16,774 INFO L93 Difference]: Finished difference Result 7799 states and 10871 transitions. [2022-12-13 10:55:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 10:55:16,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 129 [2022-12-13 10:55:16,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:16,786 INFO L225 Difference]: With dead ends: 7799 [2022-12-13 10:55:16,787 INFO L226 Difference]: Without dead ends: 4230 [2022-12-13 10:55:16,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:55:16,793 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 993 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:16,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 3082 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 10:55:16,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2022-12-13 10:55:16,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 3626. [2022-12-13 10:55:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 2580 states have (on average 1.286046511627907) internal successors, (3318), 2632 states have internal predecessors, (3318), 756 states have call successors, (756), 276 states have call predecessors, (756), 289 states have return successors, (793), 755 states have call predecessors, (793), 755 states have call successors, (793) [2022-12-13 10:55:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 4867 transitions. [2022-12-13 10:55:16,967 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 4867 transitions. Word has length 129 [2022-12-13 10:55:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:16,967 INFO L495 AbstractCegarLoop]: Abstraction has 3626 states and 4867 transitions. [2022-12-13 10:55:16,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 10:55:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 4867 transitions. [2022-12-13 10:55:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 10:55:16,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:16,976 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:16,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 10:55:16,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1718645467, now seen corresponding path program 1 times [2022-12-13 10:55:16,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:16,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593470830] [2022-12-13 10:55:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 10:55:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 10:55:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 10:55:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 10:55:17,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:17,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593470830] [2022-12-13 10:55:17,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593470830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:17,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:17,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:55:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828256625] [2022-12-13 10:55:17,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:17,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:17,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:17,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:17,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:17,305 INFO L87 Difference]: Start difference. First operand 3626 states and 4867 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 10:55:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:21,000 INFO L93 Difference]: Finished difference Result 7808 states and 10806 transitions. [2022-12-13 10:55:21,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:55:21,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2022-12-13 10:55:21,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:21,011 INFO L225 Difference]: With dead ends: 7808 [2022-12-13 10:55:21,011 INFO L226 Difference]: Without dead ends: 4198 [2022-12-13 10:55:21,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:55:21,017 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 2037 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2167 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:21,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2167 Valid, 1427 Invalid, 2349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 10:55:21,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2022-12-13 10:55:21,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 3602. [2022-12-13 10:55:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 2558 states have (on average 1.281078967943706) internal successors, (3277), 2610 states have internal predecessors, (3277), 754 states have call successors, (754), 276 states have call predecessors, (754), 289 states have return successors, (789), 753 states have call predecessors, (789), 753 states have call successors, (789) [2022-12-13 10:55:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 4820 transitions. [2022-12-13 10:55:21,162 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 4820 transitions. Word has length 150 [2022-12-13 10:55:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:21,163 INFO L495 AbstractCegarLoop]: Abstraction has 3602 states and 4820 transitions. [2022-12-13 10:55:21,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 10:55:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4820 transitions. [2022-12-13 10:55:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 10:55:21,168 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:21,168 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:21,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 10:55:21,168 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash -826363214, now seen corresponding path program 1 times [2022-12-13 10:55:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:21,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71058568] [2022-12-13 10:55:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 10:55:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 10:55:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 10:55:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 10:55:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 10:55:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 10:55:21,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:21,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71058568] [2022-12-13 10:55:21,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71058568] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:21,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836985424] [2022-12-13 10:55:21,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:21,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:21,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:55:21,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 10:55:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:22,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 10:55:22,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 10:55:22,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:55:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 10:55:23,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836985424] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:23,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 10:55:23,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 8] total 22 [2022-12-13 10:55:23,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933453428] [2022-12-13 10:55:23,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:23,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 10:55:23,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:23,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 10:55:23,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-12-13 10:55:23,028 INFO L87 Difference]: Start difference. First operand 3602 states and 4820 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-13 10:55:27,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:27,366 INFO L93 Difference]: Finished difference Result 8431 states and 11549 transitions. [2022-12-13 10:55:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 10:55:27,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 158 [2022-12-13 10:55:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:27,383 INFO L225 Difference]: With dead ends: 8431 [2022-12-13 10:55:27,383 INFO L226 Difference]: Without dead ends: 6288 [2022-12-13 10:55:27,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 335 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2022-12-13 10:55:27,388 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 4155 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 6694 mSolverCounterSat, 2106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4287 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 8800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2106 IncrementalHoareTripleChecker+Valid, 6694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:27,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4287 Valid, 3867 Invalid, 8800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2106 Valid, 6694 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 10:55:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2022-12-13 10:55:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 5251. [2022-12-13 10:55:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 3722 states have (on average 1.282912412681354) internal successors, (4775), 3805 states have internal predecessors, (4775), 1106 states have call successors, (1106), 389 states have call predecessors, (1106), 422 states have return successors, (1198), 1111 states have call predecessors, (1198), 1105 states have call successors, (1198) [2022-12-13 10:55:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7079 transitions. [2022-12-13 10:55:27,623 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7079 transitions. Word has length 158 [2022-12-13 10:55:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:27,623 INFO L495 AbstractCegarLoop]: Abstraction has 5251 states and 7079 transitions. [2022-12-13 10:55:27,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-13 10:55:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7079 transitions. [2022-12-13 10:55:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-13 10:55:27,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:27,630 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:27,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 10:55:27,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:27,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1679013299, now seen corresponding path program 1 times [2022-12-13 10:55:27,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:27,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695667836] [2022-12-13 10:55:27,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 10:55:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 10:55:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 10:55:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 10:55:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 10:55:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 10:55:28,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:28,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695667836] [2022-12-13 10:55:28,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695667836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:28,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:28,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 10:55:28,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270809949] [2022-12-13 10:55:28,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:28,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 10:55:28,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:28,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 10:55:28,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 10:55:28,211 INFO L87 Difference]: Start difference. First operand 5251 states and 7079 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 10:55:31,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:55:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:32,948 INFO L93 Difference]: Finished difference Result 9900 states and 13888 transitions. [2022-12-13 10:55:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 10:55:32,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2022-12-13 10:55:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:32,965 INFO L225 Difference]: With dead ends: 9900 [2022-12-13 10:55:32,965 INFO L226 Difference]: Without dead ends: 6108 [2022-12-13 10:55:32,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:55:32,972 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 721 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 3016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:32,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2512 Invalid, 3016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 2513 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 10:55:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6108 states. [2022-12-13 10:55:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6108 to 5249. [2022-12-13 10:55:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5249 states, 3720 states have (on average 1.281989247311828) internal successors, (4769), 3803 states have internal predecessors, (4769), 1106 states have call successors, (1106), 389 states have call predecessors, (1106), 422 states have return successors, (1198), 1111 states have call predecessors, (1198), 1105 states have call successors, (1198) [2022-12-13 10:55:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 7073 transitions. [2022-12-13 10:55:33,216 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 7073 transitions. Word has length 160 [2022-12-13 10:55:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:33,216 INFO L495 AbstractCegarLoop]: Abstraction has 5249 states and 7073 transitions. [2022-12-13 10:55:33,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 10:55:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 7073 transitions. [2022-12-13 10:55:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-13 10:55:33,222 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:33,222 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:33,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 10:55:33,223 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash 383582490, now seen corresponding path program 1 times [2022-12-13 10:55:33,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:33,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040127189] [2022-12-13 10:55:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 10:55:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 10:55:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 10:55:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 10:55:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 10:55:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-13 10:55:33,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:33,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040127189] [2022-12-13 10:55:33,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040127189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:33,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:33,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 10:55:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327063057] [2022-12-13 10:55:33,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:33,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 10:55:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 10:55:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 10:55:33,610 INFO L87 Difference]: Start difference. First operand 5249 states and 7073 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 10:55:36,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:55:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:38,796 INFO L93 Difference]: Finished difference Result 11345 states and 15817 transitions. [2022-12-13 10:55:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 10:55:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 162 [2022-12-13 10:55:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:38,813 INFO L225 Difference]: With dead ends: 11345 [2022-12-13 10:55:38,813 INFO L226 Difference]: Without dead ends: 6148 [2022-12-13 10:55:38,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 10:55:38,823 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 410 mSDsluCounter, 2068 mSDsCounter, 0 mSdLazyCounter, 3006 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 3251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:38,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 2771 Invalid, 3251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3006 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 10:55:38,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6148 states. [2022-12-13 10:55:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6148 to 5261. [2022-12-13 10:55:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3732 states have (on average 1.2810825294748125) internal successors, (4781), 3815 states have internal predecessors, (4781), 1106 states have call successors, (1106), 389 states have call predecessors, (1106), 422 states have return successors, (1198), 1111 states have call predecessors, (1198), 1105 states have call successors, (1198) [2022-12-13 10:55:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7085 transitions. [2022-12-13 10:55:39,076 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7085 transitions. Word has length 162 [2022-12-13 10:55:39,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:39,077 INFO L495 AbstractCegarLoop]: Abstraction has 5261 states and 7085 transitions. [2022-12-13 10:55:39,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 10:55:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7085 transitions. [2022-12-13 10:55:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 10:55:39,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:39,082 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:39,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 10:55:39,082 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:39,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:39,082 INFO L85 PathProgramCache]: Analyzing trace with hash -362455237, now seen corresponding path program 1 times [2022-12-13 10:55:39,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:39,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432646208] [2022-12-13 10:55:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:55:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 10:55:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 10:55:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 10:55:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:55:39,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432646208] [2022-12-13 10:55:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432646208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:39,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:39,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 10:55:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306281927] [2022-12-13 10:55:39,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:39,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 10:55:39,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:39,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 10:55:39,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:55:39,771 INFO L87 Difference]: Start difference. First operand 5261 states and 7085 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 10:55:44,451 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 10:55:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:45,335 INFO L93 Difference]: Finished difference Result 12113 states and 17009 transitions. [2022-12-13 10:55:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 10:55:45,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 163 [2022-12-13 10:55:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:45,352 INFO L225 Difference]: With dead ends: 12113 [2022-12-13 10:55:45,352 INFO L226 Difference]: Without dead ends: 6904 [2022-12-13 10:55:45,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:55:45,362 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 1050 mSDsluCounter, 3270 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 763 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 4054 SdHoareTripleChecker+Invalid, 4649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 10:55:45,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 4054 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 3885 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 10:55:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6904 states. [2022-12-13 10:55:45,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6904 to 5261. [2022-12-13 10:55:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3732 states have (on average 1.277331189710611) internal successors, (4767), 3815 states have internal predecessors, (4767), 1106 states have call successors, (1106), 389 states have call predecessors, (1106), 422 states have return successors, (1198), 1111 states have call predecessors, (1198), 1105 states have call successors, (1198) [2022-12-13 10:55:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7071 transitions. [2022-12-13 10:55:45,665 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7071 transitions. Word has length 163 [2022-12-13 10:55:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:45,665 INFO L495 AbstractCegarLoop]: Abstraction has 5261 states and 7071 transitions. [2022-12-13 10:55:45,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 10:55:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7071 transitions. [2022-12-13 10:55:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 10:55:45,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:45,670 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:45,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 10:55:45,670 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash -843535495, now seen corresponding path program 1 times [2022-12-13 10:55:45,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:45,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400418539] [2022-12-13 10:55:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:55:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:55:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:55:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:55:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:55:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:55:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:55:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:55:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 10:55:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:55:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 10:55:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 10:55:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 10:55:51,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:51,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400418539] [2022-12-13 10:55:51,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400418539] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:51,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667999002] [2022-12-13 10:55:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:51,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:51,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:51,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:55:51,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 10:55:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:52,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 54 conjunts are in the unsatisfiable core [2022-12-13 10:55:52,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 10:55:52,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:55:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 10:55:53,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667999002] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:55:53,559 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:55:53,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 14, 12] total 50 [2022-12-13 10:55:53,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196719930] [2022-12-13 10:55:53,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:55:53,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-12-13 10:55:53,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:53,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-12-13 10:55:53,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2323, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 10:55:53,562 INFO L87 Difference]: Start difference. First operand 5261 states and 7071 transitions. Second operand has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-12-13 10:56:20,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:56:23,116 WARN L539 Checker$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 10:56:27,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:56:28,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:56:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:56:37,833 INFO L93 Difference]: Finished difference Result 14323 states and 20327 transitions. [2022-12-13 10:56:37,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-12-13 10:56:37,833 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 163 [2022-12-13 10:56:37,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:56:37,855 INFO L225 Difference]: With dead ends: 14323 [2022-12-13 10:56:37,855 INFO L226 Difference]: Without dead ends: 9091 [2022-12-13 10:56:37,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 360 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3692 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=996, Invalid=14504, Unknown=0, NotChecked=0, Total=15500 [2022-12-13 10:56:37,866 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 5247 mSDsluCounter, 19033 mSDsCounter, 0 mSdLazyCounter, 38440 mSolverCounterSat, 3000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5345 SdHoareTripleChecker+Valid, 19889 SdHoareTripleChecker+Invalid, 41440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3000 IncrementalHoareTripleChecker+Valid, 38440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2022-12-13 10:56:37,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5345 Valid, 19889 Invalid, 41440 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3000 Valid, 38440 Invalid, 0 Unknown, 0 Unchecked, 38.8s Time] [2022-12-13 10:56:37,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9091 states. [2022-12-13 10:56:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 6184. [2022-12-13 10:56:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6184 states, 4399 states have (on average 1.27460786542396) internal successors, (5607), 4506 states have internal predecessors, (5607), 1273 states have call successors, (1273), 460 states have call predecessors, (1273), 511 states have return successors, (1481), 1276 states have call predecessors, (1481), 1272 states have call successors, (1481) [2022-12-13 10:56:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6184 states to 6184 states and 8361 transitions. [2022-12-13 10:56:38,373 INFO L78 Accepts]: Start accepts. Automaton has 6184 states and 8361 transitions. Word has length 163 [2022-12-13 10:56:38,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:56:38,373 INFO L495 AbstractCegarLoop]: Abstraction has 6184 states and 8361 transitions. [2022-12-13 10:56:38,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-12-13 10:56:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6184 states and 8361 transitions. [2022-12-13 10:56:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 10:56:38,384 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:56:38,384 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:56:38,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 10:56:38,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 10:56:38,585 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:56:38,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:38,585 INFO L85 PathProgramCache]: Analyzing trace with hash -333996764, now seen corresponding path program 1 times [2022-12-13 10:56:38,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:38,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865809436] [2022-12-13 10:56:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:38,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:56:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:56:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:56:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 10:56:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 10:56:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 10:56:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:56:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 10:56:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 10:56:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 10:56:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 10:56:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 10:56:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 10:56:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 10:56:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-13 10:56:39,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:56:39,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865809436] [2022-12-13 10:56:39,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865809436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:56:39,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:56:39,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 10:56:39,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561724060] [2022-12-13 10:56:39,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:56:39,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 10:56:39,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:56:39,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 10:56:39,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:56:39,297 INFO L87 Difference]: Start difference. First operand 6184 states and 8361 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 10:56:42,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:56:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:56:44,660 INFO L93 Difference]: Finished difference Result 12295 states and 17086 transitions. [2022-12-13 10:56:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:56:44,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 225 [2022-12-13 10:56:44,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:56:44,676 INFO L225 Difference]: With dead ends: 12295 [2022-12-13 10:56:44,676 INFO L226 Difference]: Without dead ends: 6967 [2022-12-13 10:56:44,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:56:44,684 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 1080 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 10:56:44,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 2659 Invalid, 3394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 10:56:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6967 states. [2022-12-13 10:56:45,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6967 to 6192. [2022-12-13 10:56:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6192 states, 4407 states have (on average 1.2741093714545042) internal successors, (5615), 4514 states have internal predecessors, (5615), 1273 states have call successors, (1273), 460 states have call predecessors, (1273), 511 states have return successors, (1481), 1276 states have call predecessors, (1481), 1272 states have call successors, (1481) [2022-12-13 10:56:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 8369 transitions. [2022-12-13 10:56:45,123 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 8369 transitions. Word has length 225 [2022-12-13 10:56:45,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:56:45,123 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 8369 transitions. [2022-12-13 10:56:45,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 10:56:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 8369 transitions. [2022-12-13 10:56:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 10:56:45,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:56:45,130 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:56:45,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 10:56:45,130 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:56:45,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:45,130 INFO L85 PathProgramCache]: Analyzing trace with hash 440757732, now seen corresponding path program 1 times [2022-12-13 10:56:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:45,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565134709] [2022-12-13 10:56:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:56:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:56:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:56:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:56:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:56:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 10:56:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 10:56:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 10:56:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 10:56:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 10:56:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 10:56:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:45,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:56:45,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565134709] [2022-12-13 10:56:45,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565134709] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:56:45,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569552576] [2022-12-13 10:56:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:56:45,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:45,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:56:45,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 10:56:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:46,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 10:56:46,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:46,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:56:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:46,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569552576] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:56:46,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:56:46,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-12-13 10:56:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908986960] [2022-12-13 10:56:46,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:56:46,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 10:56:46,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:56:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 10:56:46,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-13 10:56:46,537 INFO L87 Difference]: Start difference. First operand 6192 states and 8369 transitions. Second operand has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:56:50,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:56:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:56:53,544 INFO L93 Difference]: Finished difference Result 12343 states and 17162 transitions. [2022-12-13 10:56:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 10:56:53,544 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2022-12-13 10:56:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:56:53,560 INFO L225 Difference]: With dead ends: 12343 [2022-12-13 10:56:53,560 INFO L226 Difference]: Without dead ends: 6991 [2022-12-13 10:56:53,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-12-13 10:56:53,569 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 408 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 4541 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 4321 SdHoareTripleChecker+Invalid, 4777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 4541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 10:56:53,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 4321 Invalid, 4777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 4541 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 10:56:53,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6991 states. [2022-12-13 10:56:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6991 to 6216. [2022-12-13 10:56:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 4431 states have (on average 1.2726246896863012) internal successors, (5639), 4538 states have internal predecessors, (5639), 1273 states have call successors, (1273), 460 states have call predecessors, (1273), 511 states have return successors, (1481), 1276 states have call predecessors, (1481), 1272 states have call successors, (1481) [2022-12-13 10:56:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 8393 transitions. [2022-12-13 10:56:54,022 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 8393 transitions. Word has length 178 [2022-12-13 10:56:54,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:56:54,022 INFO L495 AbstractCegarLoop]: Abstraction has 6216 states and 8393 transitions. [2022-12-13 10:56:54,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:56:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 8393 transitions. [2022-12-13 10:56:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 10:56:54,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:56:54,028 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:56:54,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 10:56:54,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 10:56:54,230 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:56:54,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:56:54,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1578483928, now seen corresponding path program 2 times [2022-12-13 10:56:54,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:56:54,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620767122] [2022-12-13 10:56:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:56:54,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:56:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:56:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:56:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:56:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:56:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:56:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:56:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:56:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:56:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 10:56:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 10:56:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 10:56:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 10:56:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:56:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 10:56:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 10:56:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:56:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:54,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:56:54,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620767122] [2022-12-13 10:56:54,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620767122] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:56:54,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981235567] [2022-12-13 10:56:54,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 10:56:54,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:56:54,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:56:54,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:56:54,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 10:56:55,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 10:56:55,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 10:56:55,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 10:56:55,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:56:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:55,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:56:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:56:55,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981235567] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:56:55,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:56:55,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2022-12-13 10:56:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353423793] [2022-12-13 10:56:55,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:56:55,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 10:56:55,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:56:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 10:56:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2022-12-13 10:56:55,800 INFO L87 Difference]: Start difference. First operand 6216 states and 8393 transitions. Second operand has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:57:02,459 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 10:57:04,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:57:04,189 INFO L93 Difference]: Finished difference Result 12415 states and 17258 transitions. [2022-12-13 10:57:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 10:57:04,189 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2022-12-13 10:57:04,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:57:04,205 INFO L225 Difference]: With dead ends: 12415 [2022-12-13 10:57:04,205 INFO L226 Difference]: Without dead ends: 7039 [2022-12-13 10:57:04,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2022-12-13 10:57:04,214 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 1081 mSDsluCounter, 7130 mSDsCounter, 0 mSdLazyCounter, 8196 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 7835 SdHoareTripleChecker+Invalid, 8997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 8196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 10:57:04,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 7835 Invalid, 8997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 8196 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 10:57:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7039 states. [2022-12-13 10:57:04,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7039 to 6264. [2022-12-13 10:57:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 4479 states have (on average 1.269703058718464) internal successors, (5687), 4586 states have internal predecessors, (5687), 1273 states have call successors, (1273), 460 states have call predecessors, (1273), 511 states have return successors, (1481), 1276 states have call predecessors, (1481), 1272 states have call successors, (1481) [2022-12-13 10:57:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 8441 transitions. [2022-12-13 10:57:04,662 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 8441 transitions. Word has length 181 [2022-12-13 10:57:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:57:04,662 INFO L495 AbstractCegarLoop]: Abstraction has 6264 states and 8441 transitions. [2022-12-13 10:57:04,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:57:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 8441 transitions. [2022-12-13 10:57:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 10:57:04,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:57:04,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:04,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 10:57:04,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 10:57:04,870 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:57:04,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:57:04,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1682722713, now seen corresponding path program 1 times [2022-12-13 10:57:04,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:57:04,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693321503] [2022-12-13 10:57:04,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:57:04,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:57:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:57:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:57:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:57:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 10:57:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 10:57:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 10:57:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 10:57:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:57:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 10:57:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 10:57:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 10:57:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:57:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 10:57:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 10:57:05,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:57:05,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693321503] [2022-12-13 10:57:05,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693321503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:57:05,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:57:05,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 10:57:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860221424] [2022-12-13 10:57:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:57:05,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 10:57:05,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:57:05,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 10:57:05,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:57:05,192 INFO L87 Difference]: Start difference. First operand 6264 states and 8441 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 10:57:09,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:57:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:57:10,863 INFO L93 Difference]: Finished difference Result 12533 states and 17327 transitions. [2022-12-13 10:57:10,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 10:57:10,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-12-13 10:57:10,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:57:10,881 INFO L225 Difference]: With dead ends: 12533 [2022-12-13 10:57:10,881 INFO L226 Difference]: Without dead ends: 7141 [2022-12-13 10:57:10,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 10:57:10,889 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 556 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2785 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 2785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 10:57:10,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 2966 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 2785 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 10:57:10,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2022-12-13 10:57:11,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 6300. [2022-12-13 10:57:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 4506 states have (on average 1.2707501109631603) internal successors, (5726), 4613 states have internal predecessors, (5726), 1279 states have call successors, (1279), 463 states have call predecessors, (1279), 514 states have return successors, (1487), 1282 states have call predecessors, (1487), 1278 states have call successors, (1487) [2022-12-13 10:57:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 8492 transitions. [2022-12-13 10:57:11,352 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 8492 transitions. Word has length 208 [2022-12-13 10:57:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:57:11,352 INFO L495 AbstractCegarLoop]: Abstraction has 6300 states and 8492 transitions. [2022-12-13 10:57:11,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 10:57:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 8492 transitions. [2022-12-13 10:57:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 10:57:11,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:57:11,366 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:11,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 10:57:11,366 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:57:11,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:57:11,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1838703255, now seen corresponding path program 1 times [2022-12-13 10:57:11,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:57:11,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439028169] [2022-12-13 10:57:11,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:57:11,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:57:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:57:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:57:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:57:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 10:57:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 10:57:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 10:57:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 10:57:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:57:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 10:57:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 10:57:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 10:57:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:57:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 10:57:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 10:57:11,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:57:11,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439028169] [2022-12-13 10:57:11,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439028169] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:57:11,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:57:11,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 10:57:11,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901991800] [2022-12-13 10:57:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:57:11,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 10:57:11,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:57:11,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 10:57:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:57:11,595 INFO L87 Difference]: Start difference. First operand 6300 states and 8492 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 10:57:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:57:16,233 INFO L93 Difference]: Finished difference Result 13414 states and 19058 transitions. [2022-12-13 10:57:16,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 10:57:16,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-12-13 10:57:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:57:16,251 INFO L225 Difference]: With dead ends: 13414 [2022-12-13 10:57:16,252 INFO L226 Difference]: Without dead ends: 7161 [2022-12-13 10:57:16,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 10:57:16,262 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 774 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 3210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 10:57:16,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 3055 Invalid, 3210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [597 Valid, 2613 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 10:57:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7161 states. [2022-12-13 10:57:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7161 to 6306. [2022-12-13 10:57:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 4509 states have (on average 1.2701264138389887) internal successors, (5727), 4622 states have internal predecessors, (5727), 1276 states have call successors, (1276), 463 states have call predecessors, (1276), 520 states have return successors, (1514), 1279 states have call predecessors, (1514), 1275 states have call successors, (1514) [2022-12-13 10:57:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 8517 transitions. [2022-12-13 10:57:16,743 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 8517 transitions. Word has length 208 [2022-12-13 10:57:16,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:57:16,743 INFO L495 AbstractCegarLoop]: Abstraction has 6306 states and 8517 transitions. [2022-12-13 10:57:16,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 10:57:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 8517 transitions. [2022-12-13 10:57:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 10:57:16,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:57:16,750 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:57:16,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 10:57:16,750 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:57:16,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:57:16,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1414130952, now seen corresponding path program 1 times [2022-12-13 10:57:16,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:57:16,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308892582] [2022-12-13 10:57:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:57:16,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:57:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:57:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:57:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:57:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 10:57:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 10:57:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 10:57:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 10:57:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:57:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 10:57:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 10:57:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 10:57:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:57:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 10:57:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 10:57:17,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:57:17,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308892582] [2022-12-13 10:57:17,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308892582] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:57:17,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942991218] [2022-12-13 10:57:17,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:57:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:57:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:57:17,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:57:17,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 10:57:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 54 conjunts are in the unsatisfiable core [2022-12-13 10:57:18,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:57:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 10:57:18,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:57:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 10:57:18,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942991218] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:57:18,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:57:18,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 28 [2022-12-13 10:57:18,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541484318] [2022-12-13 10:57:18,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:57:18,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 10:57:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:57:18,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 10:57:18,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2022-12-13 10:57:18,912 INFO L87 Difference]: Start difference. First operand 6306 states and 8517 transitions. Second operand has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2022-12-13 10:57:28,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:57:28,815 INFO L93 Difference]: Finished difference Result 12659 states and 17616 transitions. [2022-12-13 10:57:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 10:57:28,815 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) Word has length 208 [2022-12-13 10:57:28,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:57:28,832 INFO L225 Difference]: With dead ends: 12659 [2022-12-13 10:57:28,832 INFO L226 Difference]: Without dead ends: 7221 [2022-12-13 10:57:28,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 448 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=1332, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 10:57:28,841 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 496 mSDsluCounter, 10776 mSDsCounter, 0 mSdLazyCounter, 11186 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 11529 SdHoareTripleChecker+Invalid, 11451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 11186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-13 10:57:28,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 11529 Invalid, 11451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [265 Valid, 11186 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-12-13 10:57:28,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2022-12-13 10:57:29,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 6315. [2022-12-13 10:57:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6315 states, 4518 states have (on average 1.2695883134130146) internal successors, (5736), 4628 states have internal predecessors, (5736), 1276 states have call successors, (1276), 463 states have call predecessors, (1276), 520 states have return successors, (1514), 1282 states have call predecessors, (1514), 1275 states have call successors, (1514) [2022-12-13 10:57:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6315 states to 6315 states and 8526 transitions. [2022-12-13 10:57:29,440 INFO L78 Accepts]: Start accepts. Automaton has 6315 states and 8526 transitions. Word has length 208 [2022-12-13 10:57:29,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:57:29,440 INFO L495 AbstractCegarLoop]: Abstraction has 6315 states and 8526 transitions. [2022-12-13 10:57:29,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2022-12-13 10:57:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 6315 states and 8526 transitions. [2022-12-13 10:57:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 10:57:29,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:57:29,446 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:57:29,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 10:57:29,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 10:57:29,648 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:57:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:57:29,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1077306712, now seen corresponding path program 3 times [2022-12-13 10:57:29,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:57:29,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726204959] [2022-12-13 10:57:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:57:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:57:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:57:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:57:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:57:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 10:57:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:57:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:57:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:57:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:57:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:57:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:57:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 10:57:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 10:57:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 10:57:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 10:57:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:57:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 10:57:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 10:57:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:57:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:57:30,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:57:30,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726204959] [2022-12-13 10:57:30,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726204959] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:57:30,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303621405] [2022-12-13 10:57:30,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 10:57:30,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:57:30,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:57:30,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:57:30,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 10:57:45,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-13 10:57:45,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 10:57:45,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 10:57:45,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:57:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:57:45,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:57:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 10:57:46,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303621405] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:57:46,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:57:46,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 42 [2022-12-13 10:57:46,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973984354] [2022-12-13 10:57:46,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:57:46,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-12-13 10:57:46,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:57:46,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-12-13 10:57:46,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1368, Unknown=0, NotChecked=0, Total=1722 [2022-12-13 10:57:46,782 INFO L87 Difference]: Start difference. First operand 6315 states and 8526 transitions. Second operand has 42 states, 42 states have (on average 4.285714285714286) internal successors, (180), 37 states have internal predecessors, (180), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:58:18,658 WARN L233 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 68 DAG size of output: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 10:58:26,869 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 10:58:30,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:58:30,568 INFO L93 Difference]: Finished difference Result 12703 states and 17757 transitions. [2022-12-13 10:58:30,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 10:58:30,568 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.285714285714286) internal successors, (180), 37 states have internal predecessors, (180), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 187 [2022-12-13 10:58:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:58:30,586 INFO L225 Difference]: With dead ends: 12703 [2022-12-13 10:58:30,586 INFO L226 Difference]: Without dead ends: 7224 [2022-12-13 10:58:30,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 30.7s TimeCoverageRelationStatistics Valid=738, Invalid=2232, Unknown=0, NotChecked=0, Total=2970 [2022-12-13 10:58:30,595 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 998 mSDsluCounter, 7676 mSDsCounter, 0 mSdLazyCounter, 9152 mSolverCounterSat, 780 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 8378 SdHoareTripleChecker+Invalid, 9933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 9152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-12-13 10:58:30,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 8378 Invalid, 9933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 9152 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2022-12-13 10:58:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-12-13 10:58:31,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 6411. [2022-12-13 10:58:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6411 states, 4614 states have (on average 1.2657130472475075) internal successors, (5840), 4724 states have internal predecessors, (5840), 1276 states have call successors, (1276), 463 states have call predecessors, (1276), 520 states have return successors, (1514), 1282 states have call predecessors, (1514), 1275 states have call successors, (1514) [2022-12-13 10:58:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6411 states to 6411 states and 8630 transitions. [2022-12-13 10:58:31,174 INFO L78 Accepts]: Start accepts. Automaton has 6411 states and 8630 transitions. Word has length 187 [2022-12-13 10:58:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:58:31,175 INFO L495 AbstractCegarLoop]: Abstraction has 6411 states and 8630 transitions. [2022-12-13 10:58:31,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.285714285714286) internal successors, (180), 37 states have internal predecessors, (180), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 10:58:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6411 states and 8630 transitions. [2022-12-13 10:58:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 10:58:31,180 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:58:31,180 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:58:31,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 10:58:31,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:58:31,382 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:58:31,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:58:31,384 INFO L85 PathProgramCache]: Analyzing trace with hash 711801808, now seen corresponding path program 2 times [2022-12-13 10:58:31,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:58:31,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101181931] [2022-12-13 10:58:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:58:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:58:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:58:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:58:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:58:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 10:58:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 10:58:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 10:58:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:58:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 10:58:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 10:58:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 10:58:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 10:58:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:58:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 10:58:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 10:58:32,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:58:32,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101181931] [2022-12-13 10:58:32,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101181931] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:58:32,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537371357] [2022-12-13 10:58:32,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 10:58:32,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:58:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:58:32,532 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:58:32,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 10:58:32,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 10:58:32,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 10:58:32,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-13 10:58:32,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:58:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 10:58:33,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:58:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 10:58:33,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537371357] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:58:33,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:58:33,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-12-13 10:58:33,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461151487] [2022-12-13 10:58:33,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:58:33,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 10:58:33,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:58:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 10:58:33,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-12-13 10:58:33,607 INFO L87 Difference]: Start difference. First operand 6411 states and 8630 transitions. Second operand has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-12-13 10:58:39,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:58:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:58:42,775 INFO L93 Difference]: Finished difference Result 12881 states and 17859 transitions. [2022-12-13 10:58:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 10:58:42,776 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) Word has length 208 [2022-12-13 10:58:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:58:42,791 INFO L225 Difference]: With dead ends: 12881 [2022-12-13 10:58:42,791 INFO L226 Difference]: Without dead ends: 7338 [2022-12-13 10:58:42,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 449 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 10:58:42,799 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 500 mSDsluCounter, 10185 mSDsCounter, 0 mSdLazyCounter, 10587 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 10940 SdHoareTripleChecker+Invalid, 10853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 10587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-13 10:58:42,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 10940 Invalid, 10853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 10587 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-12-13 10:58:42,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7338 states. [2022-12-13 10:58:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7338 to 6420. [2022-12-13 10:58:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6420 states, 4623 states have (on average 1.2651957603287909) internal successors, (5849), 4730 states have internal predecessors, (5849), 1276 states have call successors, (1276), 463 states have call predecessors, (1276), 520 states have return successors, (1514), 1285 states have call predecessors, (1514), 1275 states have call successors, (1514) [2022-12-13 10:58:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6420 states to 6420 states and 8639 transitions. [2022-12-13 10:58:43,342 INFO L78 Accepts]: Start accepts. Automaton has 6420 states and 8639 transitions. Word has length 208 [2022-12-13 10:58:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:58:43,342 INFO L495 AbstractCegarLoop]: Abstraction has 6420 states and 8639 transitions. [2022-12-13 10:58:43,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-12-13 10:58:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 6420 states and 8639 transitions. [2022-12-13 10:58:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 10:58:43,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:58:43,348 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:58:43,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 10:58:43,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:58:43,550 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:58:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:58:43,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1591380065, now seen corresponding path program 1 times [2022-12-13 10:58:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:58:43,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722536553] [2022-12-13 10:58:43,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:58:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:58:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:58:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:58:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:58:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 10:58:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:58:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:58:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:58:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:58:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 10:58:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 10:58:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 10:58:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 10:58:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 10:58:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:58:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-12-13 10:58:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:58:43,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722536553] [2022-12-13 10:58:43,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722536553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:58:43,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:58:43,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 10:58:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321066855] [2022-12-13 10:58:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:58:43,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 10:58:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:58:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 10:58:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:58:43,864 INFO L87 Difference]: Start difference. First operand 6420 states and 8639 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 10:58:48,470 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 10:58:49,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:58:49,779 INFO L93 Difference]: Finished difference Result 12749 states and 17656 transitions. [2022-12-13 10:58:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 10:58:49,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 202 [2022-12-13 10:58:49,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:58:49,796 INFO L225 Difference]: With dead ends: 12749 [2022-12-13 10:58:49,796 INFO L226 Difference]: Without dead ends: 7197 [2022-12-13 10:58:49,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-13 10:58:49,805 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 2445 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 2868 mSolverCounterSat, 1607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2593 SdHoareTripleChecker+Valid, 2608 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 2868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 10:58:49,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2593 Valid, 2608 Invalid, 4475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1607 Valid, 2868 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 10:58:49,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7197 states. [2022-12-13 10:58:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7197 to 6375. [2022-12-13 10:58:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6375 states, 4590 states have (on average 1.2529411764705882) internal successors, (5751), 4696 states have internal predecessors, (5751), 1269 states have call successors, (1269), 458 states have call predecessors, (1269), 515 states have return successors, (1507), 1279 states have call predecessors, (1507), 1268 states have call successors, (1507) [2022-12-13 10:58:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6375 states to 6375 states and 8527 transitions. [2022-12-13 10:58:50,358 INFO L78 Accepts]: Start accepts. Automaton has 6375 states and 8527 transitions. Word has length 202 [2022-12-13 10:58:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:58:50,358 INFO L495 AbstractCegarLoop]: Abstraction has 6375 states and 8527 transitions. [2022-12-13 10:58:50,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 10:58:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6375 states and 8527 transitions. [2022-12-13 10:58:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 10:58:50,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:58:50,364 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:58:50,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 10:58:50,364 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:58:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:58:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2092318173, now seen corresponding path program 1 times [2022-12-13 10:58:50,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:58:50,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657405923] [2022-12-13 10:58:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:58:50,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:58:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:58:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 10:58:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 10:58:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 10:58:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 10:58:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:58:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 10:58:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 10:58:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 10:58:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 10:58:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 10:58:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 10:58:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 10:58:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 10:58:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 10:58:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 10:58:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 10:58:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:58:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-12-13 10:58:50,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:58:50,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657405923] [2022-12-13 10:58:50,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657405923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:58:50,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:58:50,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 10:58:50,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967319425] [2022-12-13 10:58:50,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:58:50,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 10:58:50,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:58:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 10:58:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 10:58:50,669 INFO L87 Difference]: Start difference. First operand 6375 states and 8527 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 10:58:56,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:58:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:58:59,099 INFO L93 Difference]: Finished difference Result 16499 states and 22915 transitions. [2022-12-13 10:58:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 10:58:59,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 202 [2022-12-13 10:58:59,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:58:59,125 INFO L225 Difference]: With dead ends: 16499 [2022-12-13 10:58:59,125 INFO L226 Difference]: Without dead ends: 10992 [2022-12-13 10:58:59,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-12-13 10:58:59,135 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 3267 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 4278 mSolverCounterSat, 1849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3449 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 6127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1849 IncrementalHoareTripleChecker+Valid, 4278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-13 10:58:59,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3449 Valid, 3704 Invalid, 6127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1849 Valid, 4278 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-12-13 10:58:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10992 states. [2022-12-13 10:58:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10992 to 9191. [2022-12-13 10:58:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9191 states, 6604 states have (on average 1.251817080557238) internal successors, (8267), 6756 states have internal predecessors, (8267), 1850 states have call successors, (1850), 655 states have call predecessors, (1850), 736 states have return successors, (2149), 1864 states have call predecessors, (2149), 1849 states have call successors, (2149) [2022-12-13 10:58:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9191 states to 9191 states and 12266 transitions. [2022-12-13 10:58:59,997 INFO L78 Accepts]: Start accepts. Automaton has 9191 states and 12266 transitions. Word has length 202 [2022-12-13 10:58:59,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:58:59,997 INFO L495 AbstractCegarLoop]: Abstraction has 9191 states and 12266 transitions. [2022-12-13 10:58:59,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 10:58:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 9191 states and 12266 transitions. [2022-12-13 10:59:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 10:59:00,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:00,004 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:00,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 10:59:00,004 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:00,004 INFO L85 PathProgramCache]: Analyzing trace with hash -76961320, now seen corresponding path program 4 times [2022-12-13 10:59:00,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:59:00,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143870100] [2022-12-13 10:59:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:00,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:59:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:59:00,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:59:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:59:01,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:59:01,889 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 10:59:01,890 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 10:59:01,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 10:59:01,893 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:01,895 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 10:59:01,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,922 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,923 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,923 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,923 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,923 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,924 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,924 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,924 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 10:59:01,929 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 10:59:02,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:59:02 BoogieIcfgContainer [2022-12-13 10:59:02,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 10:59:02,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 10:59:02,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 10:59:02,008 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 10:59:02,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:43" (3/4) ... [2022-12-13 10:59:02,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 10:59:02,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 10:59:02,011 INFO L158 Benchmark]: Toolchain (without parser) took 262815.31ms. Allocated memory was 115.3MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 70.2MB in the beginning and 504.6MB in the end (delta: -434.3MB). Peak memory consumption was 757.7MB. Max. memory is 16.1GB. [2022-12-13 10:59:02,011 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:59:02,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.91ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 70.1MB in the beginning and 61.5MB in the end (delta: 8.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-13 10:59:02,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.23ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 61.5MB in the beginning and 110.0MB in the end (delta: -48.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-13 10:59:02,011 INFO L158 Benchmark]: Boogie Preprocessor took 100.16ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 95.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 10:59:02,011 INFO L158 Benchmark]: RCFGBuilder took 2386.44ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 95.2MB in the beginning and 111.8MB in the end (delta: -16.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-12-13 10:59:02,012 INFO L158 Benchmark]: TraceAbstraction took 258863.55ms. Allocated memory was 207.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 110.7MB in the beginning and 505.6MB in the end (delta: -394.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-12-13 10:59:02,012 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 1.3GB. Free memory is still 504.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:59:02,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.91ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 70.1MB in the beginning and 61.5MB in the end (delta: 8.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.23ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 61.5MB in the beginning and 110.0MB in the end (delta: -48.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.16ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 95.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2386.44ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 95.2MB in the beginning and 111.8MB in the end (delta: -16.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 258863.55ms. Allocated memory was 207.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 110.7MB in the beginning and 505.6MB in the end (delta: -394.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 1.3GB. Free memory is still 504.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5666]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5790, overapproximation of bitwiseOr at line 5871, overapproximation of bitwiseAnd at line 5873. Possible FailurePath: [L5689] int LDV_IN_INTERRUPT = 1; [L5690] int ref_cnt ; [L5691] struct phy_device *dp83640_driver_group0 ; [L5692] int ldv_state_variable_1 ; [L5693] struct sk_buff *dp83640_driver_group1 ; [L5694] int ldv_state_variable_0 ; [L5734] static int chosen_phy = -1; [L5735-L5737] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5789] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5790-L5793] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6101-L6102] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6103-L6104] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7254-L7259] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7276] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7277] int ldv_retval_0 ; [L7278] int ldv_retval_1 ; [L7607] Element set_impl[15] ; [L7608] int last_index = 0; [L7742] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7295] int ldvarg1 ; [L7296] int tmp ; [L7297] struct ifreq *ldvarg3 ; [L7298] void *tmp___0 ; [L7299] struct ethtool_ts_info *ldvarg0 ; [L7300] void *tmp___1 ; [L7301] int ldvarg2 ; [L7302] int tmp___2 ; [L7303] int tmp___3 ; [L7304] int tmp___4 ; [L7305] int tmp___5 ; [L7307] tmp = __VERIFIER_nondet_int() [L7308] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7309] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=40, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7309] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7309] tmp___0 = ldv_zalloc(40UL) [L7310] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7311] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=44, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7311] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7311] tmp___1 = ldv_zalloc(44UL) [L7312] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7313] tmp___2 = __VERIFIER_nondet_int() [L7314] ldvarg2 = tmp___2 [L7315] CALL ldv_initialize() [L7761] CALL ldv_set_init(LDV_SKBS) [L7613] set = set_impl [L7614] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={38:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7761] RET ldv_set_init(LDV_SKBS) [L7315] RET ldv_initialize() [L7316] ldv_state_variable_1 = 0 [L7317] ref_cnt = 0 [L7318] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: [L7455] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1] [L7456] COND TRUE ldv_state_variable_0 != 0 [L7457] tmp___5 = __VERIFIER_nondet_int() [L7459] case 0: [L7467] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___5=1] [L7468] COND TRUE ldv_state_variable_0 == 1 [L7469] CALL, EXPR dp83640_init() [L7262] int tmp ; [L7264] CALL, EXPR phy_driver_register(& dp83640_driver) [L7916] return __VERIFIER_nondet_int(); [L7264] RET, EXPR phy_driver_register(& dp83640_driver) [L7264] tmp = phy_driver_register(& dp83640_driver) [L7265] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L7469] RET, EXPR dp83640_init() [L7469] ldv_retval_1 = dp83640_init() [L7470] COND TRUE ldv_retval_1 == 0 [L7471] ldv_state_variable_0 = 3 [L7472] ldv_state_variable_1 = 1 [L7473] CALL ldv_initialize_phy_driver_1() [L7283] void *tmp ; [L7284] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7286] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=2048, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7286] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7286] tmp = ldv_zalloc(2048UL) [L7287] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7288] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=232, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7288] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7288] tmp___0 = ldv_zalloc(232UL) [L7289] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}, tmp___0={0:0}] [L7473] RET ldv_initialize_phy_driver_1() [L7476] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___5=1] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___5=1] [L7323] COND TRUE ldv_state_variable_1 != 0 [L7324] tmp___4 = __VERIFIER_nondet_int() [L7326] case 0: [L7338] case 1: [L7349] case 2: [L7361] case 3: [L7373] case 4: [L7385] case 5: [L7397] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7398] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7399] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7189] struct dp83640_private *dp83640 ; [L7190] bool tmp ; [L7192] EXPR phydev->priv [L7192] dp83640 = (struct dp83640_private *)phydev->priv [L7193] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640->hwts_rx_en=4294901760000000010, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, type=50] [L7193] COND FALSE !(dp83640->hwts_rx_en == 0) [L7197] CALL, EXPR is_status_frame(skb, type) [L6143] struct ethhdr *h ; [L6144] struct ethhdr *tmp ; [L6145] int tmp___0 ; [L6147] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5698] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5700] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5594] EXPR skb->head [L5594] EXPR skb->mac_header [L5594] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5700] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={4294901760000000006:53}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5700] tmp = skb_mac_header(skb) [L5701] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={4294901760000000006:53}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294901760000000006:53}] [L6147] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6147] tmp = eth_hdr((struct sk_buff const *)skb) [L6148] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={4294901760000000006:53}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294901760000000006:53}, type=50] [L6149] COND TRUE type == 50 [L6150-L6151] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6152] COND TRUE tmp___0 == 0 [L6153] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={4294901760000000006:53}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294901760000000006:53}, tmp___0=0, type=50] [L7197] RET, EXPR is_status_frame(skb, type) [L7197] tmp = is_status_frame(skb, type) [L7198] COND TRUE (int )tmp [L7199] CALL decode_status_frame(dp83640, skb) [L6499] struct phy_rxts *phy_rxts ; [L6500] struct phy_txts *phy_txts ; [L6501] u8 *ptr ; [L6502] int len ; [L6503] int size ; [L6504] u16 ests ; [L6505] u16 type ; [L6506] unsigned int tmp ; [L6508] EXPR skb->data [L6508] ptr = skb->data + 2U [L6509] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5588] EXPR skb->len [L5588] EXPR skb->data_len [L5588] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6509] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6509] tmp = skb_headlen((struct sk_buff const *)skb) [L6510] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:57}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14] [L6537] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:57}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14] [L6513] EXPR \read(*ptr) [L6513] type = *((u16 *)ptr) [L6514] ests = (unsigned int )type & 4095U [L6515] type = (unsigned int )type & 61440U [L6516] len = (int )((unsigned int )len - 2U) [L6517] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:59}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14, type=4096] [L6518] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:59}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14, type=4096] [L6523] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6524] phy_txts = (struct phy_txts *)ptr [L6525] CALL decode_txts(dp83640, phy_txts) [L6468] struct skb_shared_hwtstamps shhwtstamps ; [L6469] struct sk_buff *skb ; [L6470] u64 ns ; [L6471] struct _ddebug descriptor ; [L6472] long tmp ; [L6474] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7554] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, ldv_func_arg1={4294901760000000005:2739}, ldv_func_arg1={4294901760000000005:2739}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7556] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7745] void *skb ; [L7746] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7748] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND FALSE !(tmp___0 != 0) [L5638] EXPR, FCALL calloc(1UL, size) [L5638] tmp = calloc(1UL, size) [L5639] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5640] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5607] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5640] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5641] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7511] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7709] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] tmp = ldv_is_err(ptr) [L7514] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L5641] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5641] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5607] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5641] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5642] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L7748] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7748] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7749] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={-18446744073709551615:0}] [L7750] COND FALSE !(! skb) [L7753] CALL ldv_set_add(LDV_SKBS, skb) [L7621] int i ; [L7623] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7624] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7625] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7635] COND TRUE last_index < 15 [L7636] set_impl[last_index] = e [L7637] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7753] RET ldv_set_add(LDV_SKBS, skb) [L7754] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={-18446744073709551615:0}] [L7556] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={4294901760000000005:2739}, ldv_func_arg1={4294901760000000005:2739}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7556] tmp = ldv_skb_alloc() [L7557] return (tmp); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={4294901760000000005:2739}, ldv_func_arg1={4294901760000000005:2739}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709551615:0}] [L6474] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6474] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6475] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, descriptor={49:0}, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={39:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5867] u64 ns ; [L5868] u32 sec ; [L5870] EXPR p->sec_lo [L5870] sec = (u32 )p->sec_lo [L5871] EXPR p->sec_hi [L5871] sec = (u32 )((int )p->sec_hi << 16) | sec [L5872] EXPR p->ns_lo [L5872] ns = (u64 )p->ns_lo [L5873] EXPR p->ns_hi [L5873] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns [L5874] ns = (unsigned long long )sec * 1000000000ULL + ns [L5875] return (ns); VAL [\old(last_index)=0, \result=4294901760000000000, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=4294901760000000000, p={4294901760000000004:59}, p={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, sec=4294901760, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, descriptor={49:0}, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=4294901760000000000, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={39:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] ns = phy2txts(phy_txts) [L6491] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, descriptor={49:0}, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={39:0}, ns=4294901760000000000, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={39:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6492] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=4294901760000000000, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=4294901760000000000, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=4294901760000000000, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, unknown-#res!tv64-unknown=4294901760000000000] [L6492] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, descriptor={49:0}, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=4294901760000000000, ns_to_ktime(ns)=4294901760000000000, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={39:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6492] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6493] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, descriptor={49:0}, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=4294901760000000000, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={39:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6494] return; [L6494] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=4294901760000000000, phy_txts={4294901760000000004:59}, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6525] RET decode_txts(dp83640, phy_txts) [L6526] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:59}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14, type=4096] [L6534] ptr = ptr + (unsigned long )size [L6535] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:67}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14, type=4096] [L6537] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, phy_txts={4294901760000000004:59}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={4294901760000000004:67}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=14, type=4096] [L7199] RET decode_status_frame(dp83640, skb) [L7200] CALL ldv_kfree_skb_18(skb) [L7602] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7768] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7646] int i ; [L7647] int deleted_index ; [L7649] deleted_index = -1 [L7650] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7651] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7652] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7656] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, set_impl[i]={-18446744073709551615:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7656] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7661] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7651] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7652] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7663] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7768] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7602] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7200] RET ldv_kfree_skb_18(skb) [L7201] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640={4294901760000000005:47}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=1, type=50] [L7399] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7400] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7403] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: [L7455] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=1] [L7456] COND TRUE ldv_state_variable_0 != 0 [L7457] tmp___5 = __VERIFIER_nondet_int() [L7459] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=0] [L7460] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7461] CALL dp83640_exit() [L7271] CALL dp83640_free_clocks() [L6642] struct dp83640_clock *clock ; [L6643] struct list_head *this ; [L6644] struct list_head *next ; [L6645] struct list_head const *__mptr ; [L6646] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6648] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6649] EXPR phyter_clocks.next [L6649] this = phyter_clocks.next [L6650] EXPR this->next [L6650] next = this->next [L6673] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L6677] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L7271] RET dp83640_free_clocks() [L7272] FCALL phy_driver_unregister(& dp83640_driver) [L7461] RET dp83640_exit() [L7462] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=0] [L7497] CALL ldv_check_final_state() [L7812] int tmp___7 ; [L7814] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7703] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7814] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7814] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7815] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7=0] [L7817] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5666] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294901760000000003:4294901760000000001}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 850 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 258.7s, OverallIterations: 23, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 207.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 37472 SdHoareTripleChecker+Valid, 158.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35333 mSDsluCounter, 108404 SdHoareTripleChecker+Invalid, 145.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91138 mSDsCounter, 20545 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133551 IncrementalHoareTripleChecker+Invalid, 154099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20545 mSolverCounterUnsat, 17266 mSDtfsCounter, 133551 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3684 GetRequests, 3204 SyntacticMatches, 19 SemanticMatches, 461 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5270 ImplicationChecksByTransitivity, 40.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9191occurred in iteration=22, InterpolantAutomatonStates: 343, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 20115 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 16.8s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 4982 NumberOfCodeBlocks, 4982 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 6036 ConstructedInterpolants, 0 QuantifiedInterpolants, 14927 SizeOfPredicates, 57 NumberOfNonLiveVariables, 10703 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 36 InterpolantComputations, 16 PerfectInterpolantSequences, 2540/2803 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 10:59:02,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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 71101d2b79b59e25da9ba6ac44f6028cc3034769032ea6dc2bebcfbbe6cd49e1 --- 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 10:59:03,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:59:03,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:59:03,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:59:03,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:59:03,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:59:03,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:59:03,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:59:03,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:59:03,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:59:03,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:59:03,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:59:03,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:59:03,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:59:03,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:59:03,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:59:03,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:59:03,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:59:03,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:59:03,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:59:03,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:59:03,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:59:03,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:59:03,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:59:03,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:59:03,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:59:03,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:59:03,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:59:03,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:59:03,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:59:03,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:59:03,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:59:03,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:59:03,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:59:03,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:59:03,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:59:03,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:59:03,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:59:03,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:59:03,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:59:03,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:59:03,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 10:59:03,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:59:03,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:59:03,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:59:03,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:59:03,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 10:59:03,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 10:59:03,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:59:03,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:59:03,684 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:59:03,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:59:03,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:59:03,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:59:03,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:59:03,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:59:03,685 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 10:59:03,685 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 10:59:03,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 10:59:03,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:59:03,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:59:03,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:59:03,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:59:03,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:59:03,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:59:03,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:59:03,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:59:03,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:59:03,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 10:59:03,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 10:59:03,689 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 10:59:03,689 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 10:59:03,689 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71101d2b79b59e25da9ba6ac44f6028cc3034769032ea6dc2bebcfbbe6cd49e1 [2022-12-13 10:59:03,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:59:03,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:59:03,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:59:03,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:59:03,924 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:59:03,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:59:06,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:59:06,863 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:59:06,864 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:59:06,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/d301b2f3e/90c99a220cd44e688271059b84925b5d/FLAGdf91f7f1a [2022-12-13 10:59:07,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/data/d301b2f3e/90c99a220cd44e688271059b84925b5d [2022-12-13 10:59:07,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:59:07,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:59:07,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:59:07,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:59:07,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:59:07,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:59:07" (1/1) ... [2022-12-13 10:59:07,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d835e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:07, skipping insertion in model container [2022-12-13 10:59:07,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:59:07" (1/1) ... [2022-12-13 10:59:07,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:59:07,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:59:07,475 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:07,479 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:07,488 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 10:59:07,534 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 10:59:07,565 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 10:59:07,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:07,585 WARN L611 FunctionHandler]: implicit declaration of function ldv_assume [2022-12-13 10:59:07,607 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:07,607 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:07,608 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:07,608 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 10:59:07,612 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:07,613 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:07,613 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:07,614 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 10:59:07,655 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:07,742 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161338,161351] [2022-12-13 10:59:07,776 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-12-13 10:59:07,780 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:07,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,820 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:07,844 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:07,845 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,846 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,847 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,849 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,854 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,854 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,858 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:07,858 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,859 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,863 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,863 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,868 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,868 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,873 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:07,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,882 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-13 10:59:07,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,883 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-13 10:59:07,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,886 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 10:59:07,901 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,908 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:07,910 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,918 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-12-13 10:59:07,928 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:07,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:07,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:07,940 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:07,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:07,965 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 10:59:07,965 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:07,966 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:07,966 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 10:59:07,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:07,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:07,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,972 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:07,973 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:07,974 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 10:59:07,976 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-13 10:59:07,985 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,989 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:07,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:07,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:07,996 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,001 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 10:59:08,002 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 10:59:08,003 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:08,004 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-12-13 10:59:08,006 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,010 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 10:59:08,011 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,012 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-12-13 10:59:08,013 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,037 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,038 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,040 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,043 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,048 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,053 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,053 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,054 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,057 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-12-13 10:59:08,061 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-12-13 10:59:08,064 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-12-13 10:59:08,077 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-12-13 10:59:08,077 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,077 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,080 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,080 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,080 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,081 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,081 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,081 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,082 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,082 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,082 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,083 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-12-13 10:59:08,083 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,083 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,113 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:59:08,149 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 10:59:08,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:59:08,264 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:08,264 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:08,264 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 10:59:08,266 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 10:59:08,266 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 10:59:08,267 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,267 WARN L611 FunctionHandler]: implicit declaration of function ldv_assume [2022-12-13 10:59:08,269 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:08,269 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:08,269 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:08,269 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 10:59:08,270 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:08,270 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:08,271 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:08,271 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 10:59:08,272 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:08,274 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161338,161351] [2022-12-13 10:59:08,275 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-12-13 10:59:08,276 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:08,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,279 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:08,283 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:08,284 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,284 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,285 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,286 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,287 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,287 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,287 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:08,288 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,288 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,289 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,289 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,290 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,290 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,291 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:08,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,294 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-13 10:59:08,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,294 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-13 10:59:08,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,295 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 10:59:08,297 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,301 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:08,302 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,304 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-12-13 10:59:08,305 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:08,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:08,313 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,319 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,320 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 10:59:08,320 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:08,320 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:08,321 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 10:59:08,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,321 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,322 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:08,322 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:08,323 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 10:59:08,324 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-13 10:59:08,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,326 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,329 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 10:59:08,329 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 10:59:08,330 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:08,331 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-12-13 10:59:08,332 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,333 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 10:59:08,333 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,334 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-12-13 10:59:08,335 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,343 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,344 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,345 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,346 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,351 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,352 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,352 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-12-13 10:59:08,353 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-12-13 10:59:08,353 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-12-13 10:59:08,356 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-12-13 10:59:08,356 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,357 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,358 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,359 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,359 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,359 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,359 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,365 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,365 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,365 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,365 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,366 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-12-13 10:59:08,366 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,366 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,371 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,373 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,374 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:59:08,383 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:59:08,484 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:08,484 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 10:59:08,484 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 10:59:08,486 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 10:59:08,487 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 10:59:08,488 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,488 WARN L611 FunctionHandler]: implicit declaration of function ldv_assume [2022-12-13 10:59:08,489 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:08,489 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:08,490 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 10:59:08,490 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 10:59:08,490 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 10:59:08,491 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:08,491 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 10:59:08,491 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 10:59:08,493 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:08,495 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_d19c1ec6-277f-491c-938c-cac7b9ee41a9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161338,161351] [2022-12-13 10:59:08,496 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-12-13 10:59:08,496 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:08,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,500 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 10:59:08,503 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:08,504 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,505 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,507 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,507 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:08,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,508 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,510 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,511 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-12-13 10:59:08,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,513 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-13 10:59:08,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,513 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-13 10:59:08,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,514 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 10:59:08,516 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,520 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-12-13 10:59:08,521 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,523 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-12-13 10:59:08,528 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:08,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 10:59:08,531 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,540 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 10:59:08,541 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 10:59:08,542 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:08,542 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-12-13 10:59:08,542 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 10:59:08,542 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,543 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,543 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:08,544 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 10:59:08,544 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 10:59:08,546 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-13 10:59:08,547 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,548 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,549 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,549 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,550 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 10:59:08,550 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 10:59:08,550 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 10:59:08,553 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-12-13 10:59:08,553 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,554 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 10:59:08,554 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,556 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-12-13 10:59:08,557 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 10:59:08,563 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 10:59:08,563 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 10:59:08,564 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,565 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 10:59:08,566 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,566 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,567 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 10:59:08,567 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-12-13 10:59:08,567 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-12-13 10:59:08,568 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-12-13 10:59:08,568 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-12-13 10:59:08,570 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-12-13 10:59:08,570 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,571 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-12-13 10:59:08,571 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,572 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,572 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,572 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,572 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,576 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,577 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,577 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,577 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,578 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-12-13 10:59:08,578 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,578 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 10:59:08,582 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 10:59:08,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 10:59:08,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:59:08,615 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:59:08,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08 WrapperNode [2022-12-13 10:59:08,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:59:08,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:59:08,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:59:08,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:59:08,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,708 INFO L138 Inliner]: procedures = 194, calls = 853, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2052 [2022-12-13 10:59:08,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:59:08,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:59:08,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:59:08,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:59:08,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:59:08,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:59:08,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:59:08,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:59:08,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (1/1) ... [2022-12-13 10:59:08,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:59:08,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:59:08,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 10:59:08,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 10:59:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-12-13 10:59:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-12-13 10:59:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 10:59:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 10:59:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-13 10:59:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 10:59:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-12-13 10:59:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 10:59:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-12-13 10:59:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-13 10:59:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 10:59:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 10:59:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-12-13 10:59:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 10:59:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 10:59:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 10:59:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-12-13 10:59:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 10:59:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 10:59:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-12-13 10:59:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 10:59:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 10:59:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 10:59:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 10:59:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 10:59:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-12-13 10:59:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-12-13 10:59:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-12-13 10:59:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 10:59:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 10:59:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-12-13 10:59:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-12-13 10:59:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 10:59:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 10:59:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 10:59:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 10:59:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 10:59:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-12-13 10:59:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-12-13 10:59:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 10:59:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 10:59:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 10:59:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-12-13 10:59:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 10:59:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-12-13 10:59:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 10:59:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-12-13 10:59:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-12-13 10:59:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-12-13 10:59:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-12-13 10:59:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 10:59:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 10:59:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-12-13 10:59:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 10:59:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 10:59:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-12-13 10:59:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-12-13 10:59:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:59:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:59:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-12-13 10:59:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-12-13 10:59:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-12-13 10:59:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-12-13 10:59:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 10:59:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 10:59:09,312 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:59:09,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:59:10,525 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 10:59:26,289 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:59:26,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:59:26,298 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 10:59:26,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:59:26 BoogieIcfgContainer [2022-12-13 10:59:26,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:59:26,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:59:26,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:59:26,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:59:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:59:07" (1/3) ... [2022-12-13 10:59:26,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f63ae8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:59:26, skipping insertion in model container [2022-12-13 10:59:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:59:08" (2/3) ... [2022-12-13 10:59:26,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f63ae8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:59:26, skipping insertion in model container [2022-12-13 10:59:26,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:59:26" (3/3) ... [2022-12-13 10:59:26,310 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-12-13 10:59:26,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:59:26,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 10:59:26,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:59:26,405 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;@4e9f5511, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 10:59:26,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 10:59:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 828 states, 572 states have (on average 1.312937062937063) internal successors, (751), 589 states have internal predecessors, (751), 194 states have call successors, (194), 61 states have call predecessors, (194), 60 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) [2022-12-13 10:59:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 10:59:26,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:26,425 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] [2022-12-13 10:59:26,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:26,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:26,430 INFO L85 PathProgramCache]: Analyzing trace with hash -477088730, now seen corresponding path program 1 times [2022-12-13 10:59:26,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:26,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60468142] [2022-12-13 10:59:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:26,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:26,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:26,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 10:59:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:26,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 10:59:26,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 10:59:27,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:27,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:27,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60468142] [2022-12-13 10:59:27,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60468142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:27,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:27,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:59:27,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843508078] [2022-12-13 10:59:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:27,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 10:59:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:27,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 10:59:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 10:59:27,059 INFO L87 Difference]: Start difference. First operand has 828 states, 572 states have (on average 1.312937062937063) internal successors, (751), 589 states have internal predecessors, (751), 194 states have call successors, (194), 61 states have call predecessors, (194), 60 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 10:59:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:59:27,485 INFO L93 Difference]: Finished difference Result 2466 states and 3440 transitions. [2022-12-13 10:59:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 10:59:27,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-13 10:59:27,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:59:27,509 INFO L225 Difference]: With dead ends: 2466 [2022-12-13 10:59:27,509 INFO L226 Difference]: Without dead ends: 1597 [2022-12-13 10:59:27,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 10:59:27,520 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 1114 mSDsluCounter, 3732 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 5041 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 10:59:27,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 5041 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 10:59:27,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2022-12-13 10:59:27,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1593. [2022-12-13 10:59:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1103 states have (on average 1.2964641885766093) internal successors, (1430), 1127 states have internal predecessors, (1430), 372 states have call successors, (372), 118 states have call predecessors, (372), 117 states have return successors, (379), 369 states have call predecessors, (379), 371 states have call successors, (379) [2022-12-13 10:59:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2181 transitions. [2022-12-13 10:59:27,666 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2181 transitions. Word has length 32 [2022-12-13 10:59:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:59:27,667 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2181 transitions. [2022-12-13 10:59:27,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 10:59:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2181 transitions. [2022-12-13 10:59:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 10:59:27,677 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:27,677 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:27,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 10:59:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:27,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash -339072143, now seen corresponding path program 1 times [2022-12-13 10:59:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:27,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54682910] [2022-12-13 10:59:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:27,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:27,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 10:59:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:28,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 10:59:28,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 10:59:28,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:28,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:28,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54682910] [2022-12-13 10:59:28,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54682910] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:28,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:28,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 10:59:28,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310284026] [2022-12-13 10:59:28,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:28,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:59:28,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:59:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:59:28,465 INFO L87 Difference]: Start difference. First operand 1593 states and 2181 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 10:59:28,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:59:28,795 INFO L93 Difference]: Finished difference Result 3274 states and 4469 transitions. [2022-12-13 10:59:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:59:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2022-12-13 10:59:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:59:28,804 INFO L225 Difference]: With dead ends: 3274 [2022-12-13 10:59:28,804 INFO L226 Difference]: Without dead ends: 1689 [2022-12-13 10:59:28,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 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 10:59:28,810 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 96 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 10:59:28,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2204 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 10:59:28,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-12-13 10:59:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1680. [2022-12-13 10:59:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1170 states have (on average 1.294871794871795) internal successors, (1515), 1195 states have internal predecessors, (1515), 383 states have call successors, (383), 127 states have call predecessors, (383), 126 states have return successors, (390), 379 states have call predecessors, (390), 382 states have call successors, (390) [2022-12-13 10:59:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2288 transitions. [2022-12-13 10:59:28,894 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2288 transitions. Word has length 77 [2022-12-13 10:59:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:59:28,894 INFO L495 AbstractCegarLoop]: Abstraction has 1680 states and 2288 transitions. [2022-12-13 10:59:28,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 10:59:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2288 transitions. [2022-12-13 10:59:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 10:59:28,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:28,901 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:28,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 10:59:29,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:29,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:29,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1248685980, now seen corresponding path program 1 times [2022-12-13 10:59:29,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:29,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91646011] [2022-12-13 10:59:29,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:29,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:29,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:29,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 10:59:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:29,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 10:59:29,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 10:59:29,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:29,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:29,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91646011] [2022-12-13 10:59:29,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91646011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:29,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:29,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 10:59:29,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101488443] [2022-12-13 10:59:29,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:29,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:59:29,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:29,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:59:29,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:59:29,676 INFO L87 Difference]: Start difference. First operand 1680 states and 2288 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:59:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:59:30,094 INFO L93 Difference]: Finished difference Result 4560 states and 6188 transitions. [2022-12-13 10:59:30,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:59:30,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-12-13 10:59:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:59:30,106 INFO L225 Difference]: With dead ends: 4560 [2022-12-13 10:59:30,106 INFO L226 Difference]: Without dead ends: 2909 [2022-12-13 10:59:30,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 10:59:30,112 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 983 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 10:59:30,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 2215 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 10:59:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2022-12-13 10:59:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2900. [2022-12-13 10:59:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2034 states have (on average 1.2831858407079646) internal successors, (2610), 2070 states have internal predecessors, (2610), 632 states have call successors, (632), 234 states have call predecessors, (632), 233 states have return successors, (642), 625 states have call predecessors, (642), 631 states have call successors, (642) [2022-12-13 10:59:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 3884 transitions. [2022-12-13 10:59:30,239 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 3884 transitions. Word has length 101 [2022-12-13 10:59:30,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:59:30,240 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 3884 transitions. [2022-12-13 10:59:30,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:59:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3884 transitions. [2022-12-13 10:59:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 10:59:30,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:30,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:30,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-13 10:59:30,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:30,445 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:30,445 INFO L85 PathProgramCache]: Analyzing trace with hash -2016536572, now seen corresponding path program 1 times [2022-12-13 10:59:30,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:30,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396463911] [2022-12-13 10:59:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:30,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:30,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:30,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:30,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 10:59:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:30,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 10:59:30,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 10:59:30,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:30,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:30,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396463911] [2022-12-13 10:59:30,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396463911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:30,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:30,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 10:59:30,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778742995] [2022-12-13 10:59:30,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:30,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 10:59:30,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:30,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 10:59:30,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 10:59:30,967 INFO L87 Difference]: Start difference. First operand 2900 states and 3884 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 10:59:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:59:31,222 INFO L93 Difference]: Finished difference Result 5807 states and 7790 transitions. [2022-12-13 10:59:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 10:59:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2022-12-13 10:59:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:59:31,240 INFO L225 Difference]: With dead ends: 5807 [2022-12-13 10:59:31,240 INFO L226 Difference]: Without dead ends: 2936 [2022-12-13 10:59:31,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 10:59:31,251 INFO L413 NwaCegarLoop]: 1116 mSDtfsCounter, 9 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 10:59:31,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 10:59:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2022-12-13 10:59:31,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2912. [2022-12-13 10:59:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2044 states have (on average 1.2818003913894325) internal successors, (2620), 2082 states have internal predecessors, (2620), 632 states have call successors, (632), 234 states have call predecessors, (632), 235 states have return successors, (644), 625 states have call predecessors, (644), 631 states have call successors, (644) [2022-12-13 10:59:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3896 transitions. [2022-12-13 10:59:31,424 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3896 transitions. Word has length 101 [2022-12-13 10:59:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:59:31,425 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 3896 transitions. [2022-12-13 10:59:31,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 10:59:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3896 transitions. [2022-12-13 10:59:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-13 10:59:31,430 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:31,430 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:31,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 10:59:31,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:31,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:31,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:31,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2116406669, now seen corresponding path program 1 times [2022-12-13 10:59:31,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150806500] [2022-12-13 10:59:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:31,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:31,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:31,633 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:31,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 10:59:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:31,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 10:59:31,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 10:59:32,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:32,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:32,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150806500] [2022-12-13 10:59:32,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150806500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:32,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:32,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 10:59:32,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139919334] [2022-12-13 10:59:32,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:32,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:59:32,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:32,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:59:32,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:59:32,030 INFO L87 Difference]: Start difference. First operand 2912 states and 3896 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 10:59:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:59:32,139 INFO L93 Difference]: Finished difference Result 4408 states and 5908 transitions. [2022-12-13 10:59:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:59:32,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 102 [2022-12-13 10:59:32,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:59:32,161 INFO L225 Difference]: With dead ends: 4408 [2022-12-13 10:59:32,161 INFO L226 Difference]: Without dead ends: 2920 [2022-12-13 10:59:32,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 10:59:32,168 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 5 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 10:59:32,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2216 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 10:59:32,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2022-12-13 10:59:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2920. [2022-12-13 10:59:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2050 states have (on average 1.2809756097560976) internal successors, (2626), 2090 states have internal predecessors, (2626), 632 states have call successors, (632), 234 states have call predecessors, (632), 237 states have return successors, (646), 625 states have call predecessors, (646), 631 states have call successors, (646) [2022-12-13 10:59:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 3904 transitions. [2022-12-13 10:59:32,356 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 3904 transitions. Word has length 102 [2022-12-13 10:59:32,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:59:32,357 INFO L495 AbstractCegarLoop]: Abstraction has 2920 states and 3904 transitions. [2022-12-13 10:59:32,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 10:59:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3904 transitions. [2022-12-13 10:59:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-13 10:59:32,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:59:32,369 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:59:32,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 10:59:32,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:32,569 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:59:32,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:59:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash 540483410, now seen corresponding path program 1 times [2022-12-13 10:59:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:59:32,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829122403] [2022-12-13 10:59:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:59:32,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:59:32,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:59:32,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:59:32,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 10:59:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:59:32,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 10:59:32,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:59:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 10:59:33,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:59:33,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:59:33,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829122403] [2022-12-13 10:59:33,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829122403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:59:33,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:59:33,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 10:59:33,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735745948] [2022-12-13 10:59:33,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:59:33,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:59:33,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:59:33,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:59:33,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:59:33,375 INFO L87 Difference]: Start difference. First operand 2920 states and 3904 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 10:59:44,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:59:46,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:59:49,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:59:51,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:59:54,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 10:59:58,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:15,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:15,357 INFO L93 Difference]: Finished difference Result 6461 states and 8675 transitions. [2022-12-13 11:00:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 11:00:15,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 104 [2022-12-13 11:00:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:15,371 INFO L225 Difference]: With dead ends: 6461 [2022-12-13 11:00:15,371 INFO L226 Difference]: Without dead ends: 3570 [2022-12-13 11:00:15,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:00:15,377 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 2000 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 4147 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 4887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 4147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:15,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 2327 Invalid, 4887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [740 Valid, 4147 Invalid, 0 Unknown, 0 Unchecked, 41.5s Time] [2022-12-13 11:00:15,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2022-12-13 11:00:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3532. [2022-12-13 11:00:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2486 states have (on average 1.2751407884151247) internal successors, (3170), 2538 states have internal predecessors, (3170), 760 states have call successors, (760), 280 states have call predecessors, (760), 285 states have return successors, (792), 751 states have call predecessors, (792), 759 states have call successors, (792) [2022-12-13 11:00:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 4722 transitions. [2022-12-13 11:00:15,504 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 4722 transitions. Word has length 104 [2022-12-13 11:00:15,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:15,504 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 4722 transitions. [2022-12-13 11:00:15,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-12-13 11:00:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 4722 transitions. [2022-12-13 11:00:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 11:00:15,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:15,508 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:15,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 11:00:15,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:15,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:15,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash 885155149, now seen corresponding path program 1 times [2022-12-13 11:00:15,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:15,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635114615] [2022-12-13 11:00:15,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:00:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:15,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:15,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 11:00:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:00:16,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 11:00:16,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 11:00:16,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:00:16,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:16,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635114615] [2022-12-13 11:00:16,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635114615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:00:16,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:00:16,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:00:16,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935255709] [2022-12-13 11:00:16,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:00:16,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:00:16,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:16,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:00:16,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:00:16,403 INFO L87 Difference]: Start difference. First operand 3532 states and 4722 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:00:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:16,567 INFO L93 Difference]: Finished difference Result 7073 states and 9513 transitions. [2022-12-13 11:00:16,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:00:16,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 130 [2022-12-13 11:00:16,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:16,586 INFO L225 Difference]: With dead ends: 7073 [2022-12-13 11:00:16,586 INFO L226 Difference]: Without dead ends: 3570 [2022-12-13 11:00:16,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:00:16,599 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 2 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:16,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4434 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:00:16,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2022-12-13 11:00:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3560. [2022-12-13 11:00:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2506 states have (on average 1.2729449321628092) internal successors, (3190), 2560 states have internal predecessors, (3190), 760 states have call successors, (760), 280 states have call predecessors, (760), 293 states have return successors, (804), 757 states have call predecessors, (804), 759 states have call successors, (804) [2022-12-13 11:00:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4754 transitions. [2022-12-13 11:00:16,751 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4754 transitions. Word has length 130 [2022-12-13 11:00:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:16,752 INFO L495 AbstractCegarLoop]: Abstraction has 3560 states and 4754 transitions. [2022-12-13 11:00:16,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:00:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4754 transitions. [2022-12-13 11:00:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 11:00:16,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:16,756 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:16,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 11:00:16,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:16,957 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:16,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:16,958 INFO L85 PathProgramCache]: Analyzing trace with hash -803193050, now seen corresponding path program 1 times [2022-12-13 11:00:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:16,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249948317] [2022-12-13 11:00:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:00:16,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:16,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:16,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:16,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 11:00:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:00:17,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-13 11:00:17,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 11:00:19,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:00:19,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:19,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249948317] [2022-12-13 11:00:19,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249948317] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:00:19,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:00:19,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-12-13 11:00:19,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820206498] [2022-12-13 11:00:19,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:00:19,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 11:00:19,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 11:00:19,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2022-12-13 11:00:19,186 INFO L87 Difference]: Start difference. First operand 3560 states and 4754 transitions. Second operand has 19 states, 16 states have (on average 6.8125) internal successors, (109), 14 states have internal predecessors, (109), 5 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (15), 8 states have call predecessors, (15), 5 states have call successors, (15) [2022-12-13 11:00:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:21,883 INFO L93 Difference]: Finished difference Result 7739 states and 10469 transitions. [2022-12-13 11:00:21,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 11:00:21,885 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.8125) internal successors, (109), 14 states have internal predecessors, (109), 5 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (15), 8 states have call predecessors, (15), 5 states have call successors, (15) Word has length 151 [2022-12-13 11:00:21,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:21,904 INFO L225 Difference]: With dead ends: 7739 [2022-12-13 11:00:21,904 INFO L226 Difference]: Without dead ends: 4208 [2022-12-13 11:00:21,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2022-12-13 11:00:21,914 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 137 mSDsluCounter, 17485 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 18668 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:21,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 18668 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 11:00:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2022-12-13 11:00:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 3598. [2022-12-13 11:00:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2540 states have (on average 1.2669291338582678) internal successors, (3218), 2588 states have internal predecessors, (3218), 760 states have call successors, (760), 280 states have call predecessors, (760), 297 states have return successors, (816), 767 states have call predecessors, (816), 759 states have call successors, (816) [2022-12-13 11:00:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 4794 transitions. [2022-12-13 11:00:22,147 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 4794 transitions. Word has length 151 [2022-12-13 11:00:22,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:22,147 INFO L495 AbstractCegarLoop]: Abstraction has 3598 states and 4794 transitions. [2022-12-13 11:00:22,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.8125) internal successors, (109), 14 states have internal predecessors, (109), 5 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (15), 8 states have call predecessors, (15), 5 states have call successors, (15) [2022-12-13 11:00:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 4794 transitions. [2022-12-13 11:00:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 11:00:22,156 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:22,156 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:22,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 11:00:22,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:22,357 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:22,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1194892225, now seen corresponding path program 1 times [2022-12-13 11:00:22,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:22,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614724042] [2022-12-13 11:00:22,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:00:22,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:22,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:22,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:22,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 11:00:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:00:22,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:00:22,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:00:22,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:00:22,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:22,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614724042] [2022-12-13 11:00:22,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614724042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:00:22,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:00:22,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:00:22,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496371862] [2022-12-13 11:00:22,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:00:22,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:00:22,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:22,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:00:22,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:00:22,997 INFO L87 Difference]: Start difference. First operand 3598 states and 4794 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:00:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:23,172 INFO L93 Difference]: Finished difference Result 7185 states and 9592 transitions. [2022-12-13 11:00:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:00:23,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-12-13 11:00:23,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:23,182 INFO L225 Difference]: With dead ends: 7185 [2022-12-13 11:00:23,182 INFO L226 Difference]: Without dead ends: 3604 [2022-12-13 11:00:23,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 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 11:00:23,189 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 2 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3331 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:23,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3331 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:00:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2022-12-13 11:00:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 3604. [2022-12-13 11:00:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 2546 states have (on average 1.2663000785545955) internal successors, (3224), 2594 states have internal predecessors, (3224), 760 states have call successors, (760), 280 states have call predecessors, (760), 297 states have return successors, (816), 767 states have call predecessors, (816), 759 states have call successors, (816) [2022-12-13 11:00:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4800 transitions. [2022-12-13 11:00:23,359 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4800 transitions. Word has length 165 [2022-12-13 11:00:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:23,359 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4800 transitions. [2022-12-13 11:00:23,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:00:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4800 transitions. [2022-12-13 11:00:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-13 11:00:23,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:23,367 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:23,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 11:00:23,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:23,568 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:23,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:23,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1010520505, now seen corresponding path program 1 times [2022-12-13 11:00:23,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:23,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884550033] [2022-12-13 11:00:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:00:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:23,570 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:23,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 11:00:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:00:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:00:24,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:00:24,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:00:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:00:24,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:24,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884550033] [2022-12-13 11:00:24,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884550033] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:00:24,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:00:24,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 11:00:24,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898885576] [2022-12-13 11:00:24,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:00:24,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 11:00:24,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:24,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 11:00:24,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:00:24,632 INFO L87 Difference]: Start difference. First operand 3604 states and 4800 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 11:00:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:24,923 INFO L93 Difference]: Finished difference Result 7221 states and 9644 transitions. [2022-12-13 11:00:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:00:24,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2022-12-13 11:00:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:24,937 INFO L225 Difference]: With dead ends: 7221 [2022-12-13 11:00:24,937 INFO L226 Difference]: Without dead ends: 3622 [2022-12-13 11:00:24,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:00:24,943 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 2 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3333 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:24,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3333 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:00:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2022-12-13 11:00:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3622. [2022-12-13 11:00:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3622 states, 2564 states have (on average 1.2644305772230888) internal successors, (3242), 2612 states have internal predecessors, (3242), 760 states have call successors, (760), 280 states have call predecessors, (760), 297 states have return successors, (816), 767 states have call predecessors, (816), 759 states have call successors, (816) [2022-12-13 11:00:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3622 states and 4818 transitions. [2022-12-13 11:00:25,077 INFO L78 Accepts]: Start accepts. Automaton has 3622 states and 4818 transitions. Word has length 166 [2022-12-13 11:00:25,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:25,077 INFO L495 AbstractCegarLoop]: Abstraction has 3622 states and 4818 transitions. [2022-12-13 11:00:25,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 11:00:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3622 states and 4818 transitions. [2022-12-13 11:00:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 11:00:25,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:25,082 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:25,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 11:00:25,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:25,282 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash 852338239, now seen corresponding path program 2 times [2022-12-13 11:00:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:25,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086584188] [2022-12-13 11:00:25,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:00:25,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:25,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:25,285 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:25,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 11:00:26,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 11:00:26,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:00:26,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:00:26,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 11:00:26,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:00:26,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:26,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086584188] [2022-12-13 11:00:26,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086584188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:00:26,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:00:26,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:00:26,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694812238] [2022-12-13 11:00:26,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:00:26,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:00:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:26,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:00:26,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:00:26,940 INFO L87 Difference]: Start difference. First operand 3622 states and 4818 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:00:27,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:27,203 INFO L93 Difference]: Finished difference Result 7204 states and 9587 transitions. [2022-12-13 11:00:27,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:00:27,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2022-12-13 11:00:27,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:27,213 INFO L225 Difference]: With dead ends: 7204 [2022-12-13 11:00:27,214 INFO L226 Difference]: Without dead ends: 3598 [2022-12-13 11:00:27,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 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 11:00:27,219 INFO L413 NwaCegarLoop]: 1148 mSDtfsCounter, 969 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:27,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 1201 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:00:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2022-12-13 11:00:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3598. [2022-12-13 11:00:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2542 states have (on average 1.2592446892210858) internal successors, (3201), 2590 states have internal predecessors, (3201), 758 states have call successors, (758), 280 states have call predecessors, (758), 297 states have return successors, (812), 765 states have call predecessors, (812), 757 states have call successors, (812) [2022-12-13 11:00:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 4771 transitions. [2022-12-13 11:00:27,414 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 4771 transitions. Word has length 169 [2022-12-13 11:00:27,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:27,414 INFO L495 AbstractCegarLoop]: Abstraction has 3598 states and 4771 transitions. [2022-12-13 11:00:27,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:00:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 4771 transitions. [2022-12-13 11:00:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 11:00:27,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:27,419 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:27,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 11:00:27,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:27,620 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1002816372, now seen corresponding path program 1 times [2022-12-13 11:00:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:27,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708976892] [2022-12-13 11:00:27,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:00:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:27,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:27,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:27,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 11:00:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:00:28,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:00:28,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:00:28,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:00:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:00:29,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:29,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708976892] [2022-12-13 11:00:29,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708976892] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:00:29,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:00:29,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 11:00:29,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331557568] [2022-12-13 11:00:29,049 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:00:29,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 11:00:29,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:29,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 11:00:29,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-13 11:00:29,050 INFO L87 Difference]: Start difference. First operand 3598 states and 4771 transitions. Second operand has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:00:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:00:30,221 INFO L93 Difference]: Finished difference Result 7204 states and 9588 transitions. [2022-12-13 11:00:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 11:00:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2022-12-13 11:00:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:00:30,231 INFO L225 Difference]: With dead ends: 7204 [2022-12-13 11:00:30,231 INFO L226 Difference]: Without dead ends: 3634 [2022-12-13 11:00:30,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2022-12-13 11:00:30,237 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 2 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7766 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:00:30,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7766 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:00:30,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2022-12-13 11:00:30,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3634. [2022-12-13 11:00:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3634 states, 2578 states have (on average 1.255624515128006) internal successors, (3237), 2626 states have internal predecessors, (3237), 758 states have call successors, (758), 280 states have call predecessors, (758), 297 states have return successors, (812), 765 states have call predecessors, (812), 757 states have call successors, (812) [2022-12-13 11:00:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3634 states and 4807 transitions. [2022-12-13 11:00:30,431 INFO L78 Accepts]: Start accepts. Automaton has 3634 states and 4807 transitions. Word has length 177 [2022-12-13 11:00:30,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:00:30,431 INFO L495 AbstractCegarLoop]: Abstraction has 3634 states and 4807 transitions. [2022-12-13 11:00:30,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:00:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3634 states and 4807 transitions. [2022-12-13 11:00:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-13 11:00:30,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:00:30,440 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:00:30,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-12-13 11:00:30,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:30,640 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:00:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:00:30,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1005895564, now seen corresponding path program 2 times [2022-12-13 11:00:30,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:00:30,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893701609] [2022-12-13 11:00:30,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:00:30,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:00:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:00:30,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:00:30,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 11:00:31,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 11:00:31,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:00:31,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:00:31,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:00:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-13 11:00:32,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:00:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-13 11:00:33,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:00:33,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893701609] [2022-12-13 11:00:33,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893701609] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:00:33,961 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:00:33,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-12-13 11:00:33,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537454374] [2022-12-13 11:00:33,961 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:00:33,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 11:00:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:00:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 11:00:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-13 11:00:33,963 INFO L87 Difference]: Start difference. First operand 3634 states and 4807 transitions. Second operand has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (35), 6 states have call predecessors, (35), 9 states have return successors, (34), 12 states have call predecessors, (34), 9 states have call successors, (34) [2022-12-13 11:00:36,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:40,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:44,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:47,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:49,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:50,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:51,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:00:56,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:08,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:10,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:13,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:14,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:16,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:17,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:19,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:47,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:49,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:01:49,838 INFO L93 Difference]: Finished difference Result 9163 states and 12508 transitions. [2022-12-13 11:01:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 11:01:49,839 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (35), 6 states have call predecessors, (35), 9 states have return successors, (34), 12 states have call predecessors, (34), 9 states have call successors, (34) Word has length 183 [2022-12-13 11:01:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:01:49,857 INFO L225 Difference]: With dead ends: 9163 [2022-12-13 11:01:49,858 INFO L226 Difference]: Without dead ends: 6956 [2022-12-13 11:01:49,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2022-12-13 11:01:49,863 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 7006 mSDsluCounter, 5312 mSDsCounter, 0 mSdLazyCounter, 10138 mSolverCounterSat, 4109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7134 SdHoareTripleChecker+Valid, 6446 SdHoareTripleChecker+Invalid, 14248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4109 IncrementalHoareTripleChecker+Valid, 10138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:01:49,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7134 Valid, 6446 Invalid, 14248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4109 Valid, 10138 Invalid, 1 Unknown, 0 Unchecked, 74.1s Time] [2022-12-13 11:01:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2022-12-13 11:01:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5331. [2022-12-13 11:01:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 3756 states have (on average 1.2547923322683705) internal successors, (4713), 3829 states have internal predecessors, (4713), 1126 states have call successors, (1126), 427 states have call predecessors, (1126), 448 states have return successors, (1194), 1127 states have call predecessors, (1194), 1125 states have call successors, (1194) [2022-12-13 11:01:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 7033 transitions. [2022-12-13 11:01:50,231 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 7033 transitions. Word has length 183 [2022-12-13 11:01:50,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:01:50,232 INFO L495 AbstractCegarLoop]: Abstraction has 5331 states and 7033 transitions. [2022-12-13 11:01:50,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (35), 6 states have call predecessors, (35), 9 states have return successors, (34), 12 states have call predecessors, (34), 9 states have call successors, (34) [2022-12-13 11:01:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 7033 transitions. [2022-12-13 11:01:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 11:01:50,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:01:50,240 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:50,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-13 11:01:50,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:01:50,442 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:01:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:01:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1615818449, now seen corresponding path program 1 times [2022-12-13 11:01:50,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:01:50,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15548358] [2022-12-13 11:01:50,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:01:50,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:01:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:01:50,450 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:01:50,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 11:01:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:01:51,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:01:51,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:01:51,340 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 11:01:51,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 19 [2022-12-13 11:01:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 11:01:51,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:01:51,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:01:51,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15548358] [2022-12-13 11:01:51,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15548358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:01:51,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:01:51,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:01:51,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734720894] [2022-12-13 11:01:51,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:01:51,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:01:51,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:01:51,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:01:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:01:51,411 INFO L87 Difference]: Start difference. First operand 5331 states and 7033 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 11:01:52,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:01:57,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:00,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:02,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:03,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:05,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:06,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:13,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:15,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:18,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:20,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:22,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:24,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:25,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:30,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 11:02:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:02:30,781 INFO L93 Difference]: Finished difference Result 13081 states and 17460 transitions. [2022-12-13 11:02:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:02:30,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 208 [2022-12-13 11:02:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:02:30,804 INFO L225 Difference]: With dead ends: 13081 [2022-12-13 11:02:30,804 INFO L226 Difference]: Without dead ends: 7802 [2022-12-13 11:02:30,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:02:30,813 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 554 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 5516 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:02:30,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 5516 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 573 Invalid, 7 Unknown, 0 Unchecked, 38.7s Time] [2022-12-13 11:02:30,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7802 states. [2022-12-13 11:02:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7802 to 7553. [2022-12-13 11:02:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7553 states, 5352 states have (on average 1.2767189835575485) internal successors, (6833), 5479 states have internal predecessors, (6833), 1558 states have call successors, (1558), 621 states have call predecessors, (1558), 642 states have return successors, (1798), 1511 states have call predecessors, (1798), 1557 states have call successors, (1798) [2022-12-13 11:02:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7553 states to 7553 states and 10189 transitions. [2022-12-13 11:02:31,260 INFO L78 Accepts]: Start accepts. Automaton has 7553 states and 10189 transitions. Word has length 208 [2022-12-13 11:02:31,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:02:31,260 INFO L495 AbstractCegarLoop]: Abstraction has 7553 states and 10189 transitions. [2022-12-13 11:02:31,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 11:02:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 7553 states and 10189 transitions. [2022-12-13 11:02:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 11:02:31,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:02:31,266 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:02:31,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-13 11:02:31,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:31,467 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:02:31,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:02:31,468 INFO L85 PathProgramCache]: Analyzing trace with hash 518251021, now seen corresponding path program 1 times [2022-12-13 11:02:31,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:02:31,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102940427] [2022-12-13 11:02:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:02:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:02:31,472 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:02:31,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 11:02:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:02:32,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 11:02:32,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:02:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:02:32,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:02:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:02:34,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:02:34,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102940427] [2022-12-13 11:02:34,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102940427] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:02:34,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:02:34,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-12-13 11:02:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787981661] [2022-12-13 11:02:34,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:02:34,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 11:02:34,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:02:34,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 11:02:34,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2022-12-13 11:02:34,634 INFO L87 Difference]: Start difference. First operand 7553 states and 10189 transitions. Second operand has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:02:36,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:02:36,673 INFO L93 Difference]: Finished difference Result 15134 states and 20472 transitions. [2022-12-13 11:02:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 11:02:36,674 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185 [2022-12-13 11:02:36,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:02:36,691 INFO L225 Difference]: With dead ends: 15134 [2022-12-13 11:02:36,691 INFO L226 Difference]: Without dead ends: 7601 [2022-12-13 11:02:36,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=278, Invalid=652, Unknown=0, NotChecked=0, Total=930 [2022-12-13 11:02:36,704 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 2 mSDsluCounter, 12202 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13312 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:02:36,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13312 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:02:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2022-12-13 11:02:37,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7601. [2022-12-13 11:02:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7601 states, 5400 states have (on average 1.2742592592592592) internal successors, (6881), 5527 states have internal predecessors, (6881), 1558 states have call successors, (1558), 621 states have call predecessors, (1558), 642 states have return successors, (1798), 1511 states have call predecessors, (1798), 1557 states have call successors, (1798) [2022-12-13 11:02:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7601 states to 7601 states and 10237 transitions. [2022-12-13 11:02:37,170 INFO L78 Accepts]: Start accepts. Automaton has 7601 states and 10237 transitions. Word has length 185 [2022-12-13 11:02:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:02:37,170 INFO L495 AbstractCegarLoop]: Abstraction has 7601 states and 10237 transitions. [2022-12-13 11:02:37,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:02:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 7601 states and 10237 transitions. [2022-12-13 11:02:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 11:02:37,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:02:37,179 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:02:37,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 11:02:37,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:37,381 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:02:37,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:02:37,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1097557261, now seen corresponding path program 2 times [2022-12-13 11:02:37,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:02:37,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635206168] [2022-12-13 11:02:37,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:02:37,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:37,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:02:37,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:02:37,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 11:02:37,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 11:02:37,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:02:37,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:02:37,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:02:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-13 11:02:37,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:02:37,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:02:37,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635206168] [2022-12-13 11:02:37,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635206168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:02:37,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:02:37,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:02:37,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686609612] [2022-12-13 11:02:37,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:02:37,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:02:37,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:02:37,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:02:37,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:02:37,950 INFO L87 Difference]: Start difference. First operand 7601 states and 10237 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:02:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:02:38,511 INFO L93 Difference]: Finished difference Result 12953 states and 17484 transitions. [2022-12-13 11:02:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:02:38,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-12-13 11:02:38,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:02:38,528 INFO L225 Difference]: With dead ends: 12953 [2022-12-13 11:02:38,528 INFO L226 Difference]: Without dead ends: 7635 [2022-12-13 11:02:38,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 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 11:02:38,537 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 11 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:02:38,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3317 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:02:38,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7635 states. [2022-12-13 11:02:39,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7635 to 7613. [2022-12-13 11:02:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 5412 states have (on average 1.274390243902439) internal successors, (6897), 5539 states have internal predecessors, (6897), 1558 states have call successors, (1558), 621 states have call predecessors, (1558), 642 states have return successors, (1798), 1511 states have call predecessors, (1798), 1557 states have call successors, (1798) [2022-12-13 11:02:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10253 transitions. [2022-12-13 11:02:39,186 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10253 transitions. Word has length 191 [2022-12-13 11:02:39,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:02:39,186 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10253 transitions. [2022-12-13 11:02:39,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:02:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10253 transitions. [2022-12-13 11:02:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 11:02:39,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:02:39,199 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:02:39,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-13 11:02:39,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:39,401 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:02:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:02:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1074778124, now seen corresponding path program 1 times [2022-12-13 11:02:39,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:02:39,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114452032] [2022-12-13 11:02:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:02:39,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:02:39,409 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:02:39,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 11:02:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:02:49,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:02:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:02:52,636 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 11:02:52,636 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:02:52,636 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:02:52,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-13 11:02:52,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:02:52,841 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:02:52,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:02:52,883 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,884 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,885 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,885 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 11:02:52,897 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 11:02:53,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:02:53 BoogieIcfgContainer [2022-12-13 11:02:53,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:02:53,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:02:53,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:02:53,004 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:02:53,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:59:26" (3/4) ... [2022-12-13 11:02:53,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:02:53,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:02:53,008 INFO L158 Benchmark]: Toolchain (without parser) took 225963.05ms. Allocated memory was 65.0MB in the beginning and 813.7MB in the end (delta: 748.7MB). Free memory was 40.8MB in the beginning and 426.8MB in the end (delta: -386.0MB). Peak memory consumption was 364.5MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,008 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:02:53,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1570.68ms. Allocated memory was 65.0MB in the beginning and 163.6MB in the end (delta: 98.6MB). Free memory was 40.6MB in the beginning and 101.8MB in the end (delta: -61.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.59ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 89.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,009 INFO L158 Benchmark]: Boogie Preprocessor took 143.33ms. Allocated memory is still 163.6MB. Free memory was 89.2MB in the beginning and 101.1MB in the end (delta: -11.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,009 INFO L158 Benchmark]: RCFGBuilder took 17449.58ms. Allocated memory is still 163.6MB. Free memory was 101.1MB in the beginning and 45.6MB in the end (delta: 55.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,009 INFO L158 Benchmark]: TraceAbstraction took 206698.39ms. Allocated memory was 163.6MB in the beginning and 813.7MB in the end (delta: 650.1MB). Free memory was 44.6MB in the beginning and 426.8MB in the end (delta: -382.2MB). Peak memory consumption was 564.2MB. Max. memory is 16.1GB. [2022-12-13 11:02:53,009 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 813.7MB. Free memory is still 426.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:02:53,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1570.68ms. Allocated memory was 65.0MB in the beginning and 163.6MB in the end (delta: 98.6MB). Free memory was 40.6MB in the beginning and 101.8MB in the end (delta: -61.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.59ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 89.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.33ms. Allocated memory is still 163.6MB. Free memory was 89.2MB in the beginning and 101.1MB in the end (delta: -11.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * RCFGBuilder took 17449.58ms. Allocated memory is still 163.6MB. Free memory was 101.1MB in the beginning and 45.6MB in the end (delta: 55.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 206698.39ms. Allocated memory was 163.6MB in the beginning and 813.7MB in the end (delta: 650.1MB). Free memory was 44.6MB in the beginning and 426.8MB in the end (delta: -382.2MB). Peak memory consumption was 564.2MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 813.7MB. Free memory is still 426.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5666]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5790. Possible FailurePath: [L5689] int LDV_IN_INTERRUPT = 1; [L5690] int ref_cnt ; [L5691] struct phy_device *dp83640_driver_group0 ; [L5692] int ldv_state_variable_1 ; [L5693] struct sk_buff *dp83640_driver_group1 ; [L5694] int ldv_state_variable_0 ; [L5734] static int chosen_phy = -1; [L5735-L5737] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5789] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5790-L5793] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6101-L6102] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6103-L6104] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7254-L7259] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7276] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7277] int ldv_retval_0 ; [L7278] int ldv_retval_1 ; [L7607] Element set_impl[15] ; [L7608] int last_index = 0; [L7742] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7295] int ldvarg1 ; [L7296] int tmp ; [L7297] struct ifreq *ldvarg3 ; [L7298] void *tmp___0 ; [L7299] struct ethtool_ts_info *ldvarg0 ; [L7300] void *tmp___1 ; [L7301] int ldvarg2 ; [L7302] int tmp___2 ; [L7303] int tmp___3 ; [L7304] int tmp___4 ; [L7305] int tmp___5 ; [L7307] tmp = __VERIFIER_nondet_int() [L7308] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7309] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=40, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=-2147483648] [L7309] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7309] tmp___0 = ldv_zalloc(40UL) [L7310] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7311] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=44, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=-2147483648] [L7311] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7311] tmp___1 = ldv_zalloc(44UL) [L7312] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7313] tmp___2 = __VERIFIER_nondet_int() [L7314] ldvarg2 = tmp___2 [L7315] CALL ldv_initialize() [L7761] CALL ldv_set_init(LDV_SKBS) [L7613] set = set_impl [L7614] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={38:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7761] RET ldv_set_init(LDV_SKBS) [L7315] RET ldv_initialize() [L7316] ldv_state_variable_1 = 0 [L7317] ref_cnt = 0 [L7318] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: [L7455] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1] [L7456] COND TRUE ldv_state_variable_0 != 0 [L7457] tmp___5 = __VERIFIER_nondet_int() [L7459] case 0: [L7467] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1, tmp___5=1] [L7468] COND TRUE ldv_state_variable_0 == 1 [L7469] CALL, EXPR dp83640_init() [L7262] int tmp ; [L7264] CALL, EXPR phy_driver_register(& dp83640_driver) [L7916] return __VERIFIER_nondet_int(); [L7264] RET, EXPR phy_driver_register(& dp83640_driver) [L7264] tmp = phy_driver_register(& dp83640_driver) [L7265] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L7469] RET, EXPR dp83640_init() [L7469] ldv_retval_1 = dp83640_init() [L7470] COND TRUE ldv_retval_1 == 0 [L7471] ldv_state_variable_0 = 3 [L7472] ldv_state_variable_1 = 1 [L7473] CALL ldv_initialize_phy_driver_1() [L7283] void *tmp ; [L7284] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7286] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=2048, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=-2147483648] [L7286] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7286] tmp = ldv_zalloc(2048UL) [L7287] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7288] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND TRUE tmp___0 != 0 [L5636] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=232, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=-2147483648] [L7288] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7288] tmp___0 = ldv_zalloc(232UL) [L7289] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}, tmp___0={0:0}] [L7473] RET ldv_initialize_phy_driver_1() [L7476] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1, tmp___5=1] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___5=1] [L7323] COND TRUE ldv_state_variable_1 != 0 [L7324] tmp___4 = __VERIFIER_nondet_int() [L7326] case 0: [L7338] case 1: [L7349] case 2: [L7361] case 3: [L7373] case 4: [L7385] case 5: [L7397] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___4=6, tmp___5=1] [L7398] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___4=6, tmp___5=1] [L7399] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7189] struct dp83640_private *dp83640 ; [L7190] bool tmp ; [L7192] EXPR phydev->priv [L7192] dp83640 = (struct dp83640_private *)phydev->priv [L7193] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640->hwts_rx_en=-2147483648, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, type=50] [L7193] COND FALSE !(dp83640->hwts_rx_en == 0) [L7197] CALL, EXPR is_status_frame(skb, type) [L6143] struct ethhdr *h ; [L6144] struct ethhdr *tmp ; [L6145] int tmp___0 ; [L6147] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5698] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5700] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5594] EXPR skb->head [L5594] EXPR skb->mac_header [L5594] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5700] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5700] tmp = skb_mac_header(skb) [L5701] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L6147] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6147] tmp = eth_hdr((struct sk_buff const *)skb) [L6148] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}, type=50] [L6149] COND TRUE type == 50 [L6150-L6151] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6152] COND TRUE tmp___0 == 0 [L6153] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}, tmp___0=0, type=50] [L7197] RET, EXPR is_status_frame(skb, type) [L7197] tmp = is_status_frame(skb, type) [L7198] COND TRUE (int )tmp [L7199] CALL decode_status_frame(dp83640, skb) [L6499] struct phy_rxts *phy_rxts ; [L6500] struct phy_txts *phy_txts ; [L6501] u8 *ptr ; [L6502] int len ; [L6503] int size ; [L6504] u16 ests ; [L6505] u16 type ; [L6506] unsigned int tmp ; [L6508] EXPR skb->data [L6508] ptr = skb->data + 2U [L6509] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5588] EXPR skb->len [L5588] EXPR skb->data_len [L5588] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6509] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6509] tmp = skb_headlen((struct sk_buff const *)skb) [L6510] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967290}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12] [L6537] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967290}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12] [L6513] EXPR \read(*ptr) [L6513] type = *((u16 *)ptr) [L6514] ests = (unsigned int )type & 4095U [L6515] type = (unsigned int )type & 61440U [L6516] len = (int )((unsigned int )len - 2U) [L6517] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967292}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6518] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967292}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6523] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6524] phy_txts = (struct phy_txts *)ptr [L6525] CALL decode_txts(dp83640, phy_txts) [L6468] struct skb_shared_hwtstamps shhwtstamps ; [L6469] struct sk_buff *skb ; [L6470] u64 ns ; [L6471] struct _ddebug descriptor ; [L6472] long tmp ; [L6474] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7554] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, ldv_func_arg1={17592186044416:2692}, ldv_func_arg1={17592186044416:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7556] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7745] void *skb ; [L7746] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7748] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5630] void *p ; [L5631] void *tmp ; [L5632] int tmp___0 ; [L5634] tmp___0 = __VERIFIER_nondet_int() [L5635] COND FALSE !(tmp___0 != 0) [L5638] EXPR, FCALL calloc(1UL, size) [L5638] tmp = calloc(1UL, size) [L5639] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, calloc(1UL, size)={49:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}, tmp___0=0] [L5640] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5607] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5640] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, calloc(1UL, size)={49:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}, tmp___0=0] [L5641] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7511] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7709] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7513] tmp = ldv_is_err(ptr) [L7514] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={49:0}, ptr={49:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L5641] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, calloc(1UL, size)={49:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}, tmp___0=0] [L5641] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5607] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5641] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, calloc(1UL, size)={49:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}, tmp___0=0] [L5642] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={49:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, calloc(1UL, size)={49:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}, tmp___0=0] [L7748] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={49:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7748] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7749] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={49:0}] [L7750] COND FALSE !(! skb) [L7753] CALL ldv_set_add(LDV_SKBS, skb) [L7621] int i ; [L7623] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={49:0}, e={49:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7624] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={49:0}, e={49:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7625] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={49:0}, e={49:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7635] COND TRUE last_index < 15 [L7636] set_impl[last_index] = e [L7637] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={49:0}, e={49:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7753] RET ldv_set_add(LDV_SKBS, skb) [L7754] return (skb); VAL [\old(last_index)=0, \result={49:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={49:0}] [L7556] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={17592186044416:2692}, ldv_func_arg1={17592186044416:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={49:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7556] tmp = ldv_skb_alloc() [L7557] return (tmp); VAL [\old(last_index)=0, \result={49:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={17592186044416:2692}, ldv_func_arg1={17592186044416:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={49:0}] [L6474] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6474] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6475] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, descriptor={127:0}, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={63:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5867] u64 ns ; [L5868] u32 sec ; [L5870] EXPR p->sec_lo [L5870] sec = (u32 )p->sec_lo [L5871] EXPR p->sec_hi [L5871] sec = (u32 )((int )p->sec_hi << 16) | sec [L5872] EXPR p->ns_lo [L5872] ns = (u64 )p->ns_lo [L5873] EXPR p->ns_hi [L5873] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns [L5874] ns = (unsigned long long )sec * 1000000000ULL + ns [L5875] return (ns); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, p={0:4294967292}, p={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, sec=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, descriptor={127:0}, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=0, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={63:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6490] ns = phy2txts(phy_txts) [L6491] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, descriptor={127:0}, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={63:0}, ns=0, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={63:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6492] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, unknown-#res!tv64-unknown=0] [L6492] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, descriptor={127:0}, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, ns_to_ktime(ns)=0, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={63:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6492] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6493] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, descriptor={127:0}, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={63:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6494] return; [L6494] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phy_txts={0:4294967292}, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6525] RET decode_txts(dp83640, phy_txts) [L6526] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967292}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6534] ptr = ptr + (unsigned long )size [L6535] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967300}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6537] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={0:4294967292}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={0:4294967300}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L7199] RET decode_status_frame(dp83640, skb) [L7200] CALL ldv_kfree_skb_18(skb) [L7602] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7768] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7646] int i ; [L7647] int deleted_index ; [L7649] deleted_index = -1 [L7650] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7651] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7652] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7656] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, set_impl[i]={49:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7656] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7661] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7651] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7652] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7663] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7768] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7602] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7200] RET ldv_kfree_skb_18(skb) [L7201] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640={17592186044416:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=1, type=50] [L7399] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___4=6, tmp___5=1] [L7400] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___4=6, tmp___5=1] [L7403] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=0, tmp___4=6, tmp___5=1] [L7320] tmp___3 = __VERIFIER_nondet_int() [L7322] case 0: [L7455] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1, tmp___4=6, tmp___5=1] [L7456] COND TRUE ldv_state_variable_0 != 0 [L7457] tmp___5 = __VERIFIER_nondet_int() [L7459] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1, tmp___4=6, tmp___5=0] [L7460] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7461] CALL dp83640_exit() [L7271] CALL dp83640_free_clocks() [L6642] struct dp83640_clock *clock ; [L6643] struct list_head *this ; [L6644] struct list_head *next ; [L6645] struct list_head const *__mptr ; [L6646] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6648] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6649] EXPR phyter_clocks.next [L6649] this = phyter_clocks.next [L6650] EXPR this->next [L6650] next = this->next [L6673] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L6677] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L7271] RET dp83640_free_clocks() [L7272] FCALL phy_driver_unregister(& dp83640_driver) [L7461] RET dp83640_exit() [L7462] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=17, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=17, tmp___3=1, tmp___4=6, tmp___5=0] [L7497] CALL ldv_check_final_state() [L7812] int tmp___7 ; [L7814] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7703] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7814] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7814] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7815] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7=0] [L7817] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5666] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={0:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 829 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 206.5s, OverallIterations: 17, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 166.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 13218 SdHoareTripleChecker+Valid, 157.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12894 mSDsluCounter, 84662 SdHoareTripleChecker+Invalid, 150.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66264 mSDsCounter, 4942 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15742 IncrementalHoareTripleChecker+Invalid, 20692 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4942 mSolverCounterUnsat, 18398 mSDtfsCounter, 15742 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2987 GetRequests, 2845 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7613occurred in iteration=16, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 2600 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 15.9s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 2435 NumberOfCodeBlocks, 2336 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2933 ConstructedInterpolants, 1 QuantifiedInterpolants, 5503 SizeOfPredicates, 49 NumberOfNonLiveVariables, 12655 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 1245/1387 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 11:02:53,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19c1ec6-277f-491c-938c-cac7b9ee41a9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample