./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- 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 [2022-12-14 12:40:39,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:40:39,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:40:39,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:40:39,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:40:39,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:40:39,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:40:39,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:40:39,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:40:39,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:40:39,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:40:39,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:40:39,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:40:39,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:40:39,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:40:39,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:40:39,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:40:39,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:40:39,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:40:39,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:40:39,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:40:39,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:40:39,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:40:39,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:40:39,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:40:39,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:40:39,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:40:39,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:40:39,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:40:39,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:40:39,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:40:39,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:40:39,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:40:39,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:40:39,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:40:39,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:40:39,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:40:39,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:40:39,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:40:39,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:40:39,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:40:39,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:40:39,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:40:39,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:40:39,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:40:39,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:40:39,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:40:39,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:40:39,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:40:39,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:40:39,977 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:40:39,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:40:39,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:40:39,977 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:40:39,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:40:39,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:40:39,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:40:39,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:40:39,979 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:40:39,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:40:39,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:40:39,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:40:39,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2022-12-14 12:40:40,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:40:40,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:40:40,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:40:40,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:40:40,180 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:40:40,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-12-14 12:40:42,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:40:42,963 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:40:42,964 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-12-14 12:40:42,979 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/data/44f3cdf19/6901c681dbc84f72871eab2600140f59/FLAG02c55d9f5 [2022-12-14 12:40:43,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/data/44f3cdf19/6901c681dbc84f72871eab2600140f59 [2022-12-14 12:40:43,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:40:43,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:40:43,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:40:43,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:40:43,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:40:43,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:40:43" (1/1) ... [2022-12-14 12:40:43,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96a7768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:43, skipping insertion in model container [2022-12-14 12:40:43,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:40:43" (1/1) ... [2022-12-14 12:40:43,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:40:43,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:40:43,792 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 12:40:43,798 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 12:40:43,835 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 12:40:43,836 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 12:40:43,837 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 12:40:43,837 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 12:40:43,840 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 12:40:43,840 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 12:40:43,876 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 12:40:43,878 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 12:40:43,881 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 12:40:43,886 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 12:40:43,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:40:43,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,895 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 12:40:43,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,897 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 12:40:43,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,900 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:43,904 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 12:40:43,904 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 12:40:43,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,907 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:43,910 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 12:40:43,911 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:40:43,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,914 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:43,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,927 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 12:40:43,928 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:43,929 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 12:40:43,931 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:43,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:40:43,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:43,966 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:43,967 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 12:40:43,977 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 12:40:43,980 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 12:40:43,980 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 12:40:43,981 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:43,987 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 12:40:43,989 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:43,989 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:43,990 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:43,990 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 12:40:43,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:43,991 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:43,991 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:43,991 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:43,991 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:43,994 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_31d85741-3aa5-44a2-9ce8-4d248238e50d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-12-14 12:40:44,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:40:44,059 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:40:44,109 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 12:40:44,109 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 12:40:44,111 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 12:40:44,112 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 12:40:44,112 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 12:40:44,112 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 12:40:44,113 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 12:40:44,113 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 12:40:44,117 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 12:40:44,117 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 12:40:44,118 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 12:40:44,118 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 12:40:44,119 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:40:44,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,122 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 12:40:44,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,123 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 12:40:44,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,125 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:44,127 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 12:40:44,127 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 12:40:44,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,129 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:44,130 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 12:40:44,131 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:40:44,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,133 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 12:40:44,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,140 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 12:40:44,141 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:44,141 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 12:40:44,142 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:44,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:40:44,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:40:44,153 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:44,153 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 12:40:44,154 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 12:40:44,155 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 12:40:44,156 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 12:40:44,156 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 12:40:44,158 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 12:40:44,159 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:44,159 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:44,160 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:44,160 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 12:40:44,160 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:44,161 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:44,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:44,161 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:40:44,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:40:44,162 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_31d85741-3aa5-44a2-9ce8-4d248238e50d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-12-14 12:40:44,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:40:44,193 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:40:44,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44 WrapperNode [2022-12-14 12:40:44,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:40:44,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:40:44,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:40:44,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:40:44,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,264 INFO L138 Inliner]: procedures = 131, calls = 524, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1126 [2022-12-14 12:40:44,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:40:44,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:40:44,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:40:44,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:40:44,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,334 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:40:44,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:40:44,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:40:44,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:40:44,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (1/1) ... [2022-12-14 12:40:44,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:40:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:44,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:40:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:40:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-12-14 12:40:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-12-14 12:40:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-12-14 12:40:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-12-14 12:40:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-12-14 12:40:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-12-14 12:40:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-12-14 12:40:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-12-14 12:40:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:40:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-12-14 12:40:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-12-14 12:40:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:40:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:40:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-12-14 12:40:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-12-14 12:40:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-12-14 12:40:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 12:40:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 12:40:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-12-14 12:40:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 12:40:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 12:40:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:40:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 12:40:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 12:40:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 12:40:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:40:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2022-12-14 12:40:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2022-12-14 12:40:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:40:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:40:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-12-14 12:40:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-12-14 12:40:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-12-14 12:40:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-12-14 12:40:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-12-14 12:40:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-12-14 12:40:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:40:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-12-14 12:40:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-12-14 12:40:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 12:40:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-12-14 12:40:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-12-14 12:40:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-12-14 12:40:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-12-14 12:40:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-12-14 12:40:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:40:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 12:40:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 12:40:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:40:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:40:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-12-14 12:40:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-12-14 12:40:44,682 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:40:44,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:40:45,893 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:40:46,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:40:46,111 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 12:40:46,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:46 BoogieIcfgContainer [2022-12-14 12:40:46,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:40:46,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:40:46,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:40:46,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:40:46,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:40:43" (1/3) ... [2022-12-14 12:40:46,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2401c37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:40:46, skipping insertion in model container [2022-12-14 12:40:46,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:40:44" (2/3) ... [2022-12-14 12:40:46,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2401c37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:40:46, skipping insertion in model container [2022-12-14 12:40:46,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:46" (3/3) ... [2022-12-14 12:40:46,119 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-12-14 12:40:46,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:40:46,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:40:46,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:40:46,181 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e1db04c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:40:46,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:40:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 220 states have (on average 1.4181818181818182) internal successors, (312), 230 states have internal predecessors, (312), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-12-14 12:40:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:40:46,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:46,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:46,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:46,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:46,196 INFO L85 PathProgramCache]: Analyzing trace with hash 673156253, now seen corresponding path program 1 times [2022-12-14 12:40:46,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790449282] [2022-12-14 12:40:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:46,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:46,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:46,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790449282] [2022-12-14 12:40:46,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790449282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:46,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:46,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:40:46,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450748490] [2022-12-14 12:40:46,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:46,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:46,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:46,471 INFO L87 Difference]: Start difference. First operand has 338 states, 220 states have (on average 1.4181818181818182) internal successors, (312), 230 states have internal predecessors, (312), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:46,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:46,871 INFO L93 Difference]: Finished difference Result 879 states and 1255 transitions. [2022-12-14 12:40:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:46,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 12:40:46,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:46,884 INFO L225 Difference]: With dead ends: 879 [2022-12-14 12:40:46,884 INFO L226 Difference]: Without dead ends: 538 [2022-12-14 12:40:46,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:46,890 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 289 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:46,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 887 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:40:46,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-12-14 12:40:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 524. [2022-12-14 12:40:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 339 states have (on average 1.3893805309734513) internal successors, (471), 349 states have internal predecessors, (471), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-12-14 12:40:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 737 transitions. [2022-12-14 12:40:46,964 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 737 transitions. Word has length 13 [2022-12-14 12:40:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:46,964 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 737 transitions. [2022-12-14 12:40:46,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 737 transitions. [2022-12-14 12:40:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 12:40:46,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:46,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:46,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:40:46,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash -378578955, now seen corresponding path program 1 times [2022-12-14 12:40:46,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:46,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799818736] [2022-12-14 12:40:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:47,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:47,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799818736] [2022-12-14 12:40:47,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799818736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:47,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:47,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:40:47,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666421282] [2022-12-14 12:40:47,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:47,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:47,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:47,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:47,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:47,052 INFO L87 Difference]: Start difference. First operand 524 states and 737 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:47,256 INFO L93 Difference]: Finished difference Result 1047 states and 1473 transitions. [2022-12-14 12:40:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:47,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 12:40:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:47,261 INFO L225 Difference]: With dead ends: 1047 [2022-12-14 12:40:47,261 INFO L226 Difference]: Without dead ends: 524 [2022-12-14 12:40:47,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:47,265 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 466 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:47,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-12-14 12:40:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2022-12-14 12:40:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 339 states have (on average 1.3834808259587021) internal successors, (469), 349 states have internal predecessors, (469), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-12-14 12:40:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 735 transitions. [2022-12-14 12:40:47,309 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 735 transitions. Word has length 15 [2022-12-14 12:40:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:47,309 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 735 transitions. [2022-12-14 12:40:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 735 transitions. [2022-12-14 12:40:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 12:40:47,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:47,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:47,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:40:47,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash -443619945, now seen corresponding path program 1 times [2022-12-14 12:40:47,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:47,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625352149] [2022-12-14 12:40:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:47,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:47,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625352149] [2022-12-14 12:40:47,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625352149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:47,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:47,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:40:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532179671] [2022-12-14 12:40:47,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:47,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:47,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:47,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:47,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:47,382 INFO L87 Difference]: Start difference. First operand 524 states and 735 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:47,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:47,686 INFO L93 Difference]: Finished difference Result 1194 states and 1661 transitions. [2022-12-14 12:40:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:47,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-14 12:40:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:47,691 INFO L225 Difference]: With dead ends: 1194 [2022-12-14 12:40:47,692 INFO L226 Difference]: Without dead ends: 671 [2022-12-14 12:40:47,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:47,694 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 275 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:47,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 806 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:47,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-12-14 12:40:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2022-12-14 12:40:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 427 states have (on average 1.3583138173302107) internal successors, (580), 439 states have internal predecessors, (580), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-14 12:40:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 924 transitions. [2022-12-14 12:40:47,722 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 924 transitions. Word has length 17 [2022-12-14 12:40:47,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:47,722 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 924 transitions. [2022-12-14 12:40:47,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 924 transitions. [2022-12-14 12:40:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 12:40:47,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:47,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:47,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:40:47,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1772400130, now seen corresponding path program 1 times [2022-12-14 12:40:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:47,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568196466] [2022-12-14 12:40:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:47,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:47,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568196466] [2022-12-14 12:40:47,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568196466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:47,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:40:47,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:40:47,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424101106] [2022-12-14 12:40:47,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:47,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:47,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:47,792 INFO L87 Difference]: Start difference. First operand 671 states and 924 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:48,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:48,024 INFO L93 Difference]: Finished difference Result 1340 states and 1848 transitions. [2022-12-14 12:40:48,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:48,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 12:40:48,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:48,026 INFO L225 Difference]: With dead ends: 1340 [2022-12-14 12:40:48,027 INFO L226 Difference]: Without dead ends: 679 [2022-12-14 12:40:48,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:40:48,029 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 3 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:48,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 802 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:48,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-12-14 12:40:48,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 673. [2022-12-14 12:40:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 429 states have (on average 1.3566433566433567) internal successors, (582), 441 states have internal predecessors, (582), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-14 12:40:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 926 transitions. [2022-12-14 12:40:48,054 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 926 transitions. Word has length 19 [2022-12-14 12:40:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:48,054 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 926 transitions. [2022-12-14 12:40:48,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 926 transitions. [2022-12-14 12:40:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 12:40:48,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:48,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:48,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:40:48,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:48,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:48,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1230072449, now seen corresponding path program 1 times [2022-12-14 12:40:48,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:48,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946675111] [2022-12-14 12:40:48,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:48,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:48,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946675111] [2022-12-14 12:40:48,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946675111] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:48,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831910598] [2022-12-14 12:40:48,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:48,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:48,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:48,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:48,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:40:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:48,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:48,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:48,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:48,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831910598] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:48,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:48,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 12:40:48,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344426548] [2022-12-14 12:40:48,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:48,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:48,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:48,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:48,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:48,424 INFO L87 Difference]: Start difference. First operand 673 states and 926 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:48,599 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2022-12-14 12:40:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:48,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-14 12:40:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:48,604 INFO L225 Difference]: With dead ends: 675 [2022-12-14 12:40:48,604 INFO L226 Difference]: Without dead ends: 672 [2022-12-14 12:40:48,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:48,605 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 450 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:48,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 398 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:40:48,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-12-14 12:40:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2022-12-14 12:40:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 429 states have (on average 1.3543123543123543) internal successors, (581), 440 states have internal predecessors, (581), 174 states have call successors, (174), 69 states have call predecessors, (174), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-14 12:40:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 924 transitions. [2022-12-14 12:40:48,643 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 924 transitions. Word has length 25 [2022-12-14 12:40:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:48,644 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 924 transitions. [2022-12-14 12:40:48,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 924 transitions. [2022-12-14 12:40:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 12:40:48,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:48,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:48,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:40:48,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:48,847 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:48,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash -522708552, now seen corresponding path program 1 times [2022-12-14 12:40:48,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:48,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424431024] [2022-12-14 12:40:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:48,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:49,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:49,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424431024] [2022-12-14 12:40:49,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424431024] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:49,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216983294] [2022-12-14 12:40:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:49,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:49,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:49,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:40:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:49,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:49,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:49,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:49,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216983294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:49,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:49,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 12:40:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996075980] [2022-12-14 12:40:49,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:49,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:49,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:49,355 INFO L87 Difference]: Start difference. First operand 672 states and 924 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:49,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:49,540 INFO L93 Difference]: Finished difference Result 674 states and 925 transitions. [2022-12-14 12:40:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:49,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-14 12:40:49,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:49,544 INFO L225 Difference]: With dead ends: 674 [2022-12-14 12:40:49,544 INFO L226 Difference]: Without dead ends: 671 [2022-12-14 12:40:49,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:49,545 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 447 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:49,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 396 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:40:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-12-14 12:40:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2022-12-14 12:40:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 429 states have (on average 1.351981351981352) internal successors, (580), 439 states have internal predecessors, (580), 173 states have call successors, (173), 69 states have call predecessors, (173), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-14 12:40:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 922 transitions. [2022-12-14 12:40:49,592 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 922 transitions. Word has length 26 [2022-12-14 12:40:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:49,593 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 922 transitions. [2022-12-14 12:40:49,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 922 transitions. [2022-12-14 12:40:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 12:40:49,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:49,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:49,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:40:49,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 12:40:49,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:49,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:49,795 INFO L85 PathProgramCache]: Analyzing trace with hash 975660132, now seen corresponding path program 1 times [2022-12-14 12:40:49,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:49,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508541055] [2022-12-14 12:40:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:49,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:49,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:49,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508541055] [2022-12-14 12:40:49,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508541055] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:49,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803821722] [2022-12-14 12:40:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:49,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:49,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:49,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:40:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:50,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:50,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:50,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:50,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803821722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:50,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:50,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 12:40:50,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927991152] [2022-12-14 12:40:50,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:50,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:50,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:50,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:50,133 INFO L87 Difference]: Start difference. First operand 671 states and 922 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:50,311 INFO L93 Difference]: Finished difference Result 673 states and 923 transitions. [2022-12-14 12:40:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:50,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-12-14 12:40:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:50,314 INFO L225 Difference]: With dead ends: 673 [2022-12-14 12:40:50,314 INFO L226 Difference]: Without dead ends: 670 [2022-12-14 12:40:50,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:50,315 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 444 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:50,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 394 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:40:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-12-14 12:40:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2022-12-14 12:40:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 429 states have (on average 1.3496503496503496) internal successors, (579), 438 states have internal predecessors, (579), 172 states have call successors, (172), 69 states have call predecessors, (172), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-14 12:40:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 920 transitions. [2022-12-14 12:40:50,341 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 920 transitions. Word has length 27 [2022-12-14 12:40:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:50,341 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 920 transitions. [2022-12-14 12:40:50,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 920 transitions. [2022-12-14 12:40:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 12:40:50,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:50,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:50,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:40:50,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:50,543 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:50,543 INFO L85 PathProgramCache]: Analyzing trace with hash 180453947, now seen corresponding path program 1 times [2022-12-14 12:40:50,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:50,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368908972] [2022-12-14 12:40:50,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:50,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:50,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368908972] [2022-12-14 12:40:50,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368908972] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:50,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637175544] [2022-12-14 12:40:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:50,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:50,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:50,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:40:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:50,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:50,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:50,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:50,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637175544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:50,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:50,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 12:40:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061097696] [2022-12-14 12:40:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:50,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:50,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:50,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:50,862 INFO L87 Difference]: Start difference. First operand 670 states and 920 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:51,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,132 INFO L93 Difference]: Finished difference Result 785 states and 1070 transitions. [2022-12-14 12:40:51,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-12-14 12:40:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,136 INFO L225 Difference]: With dead ends: 785 [2022-12-14 12:40:51,136 INFO L226 Difference]: Without dead ends: 764 [2022-12-14 12:40:51,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:51,137 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 408 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 616 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-12-14 12:40:51,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2022-12-14 12:40:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 480 states have (on average 1.3270833333333334) internal successors, (637), 489 states have internal predecessors, (637), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-12-14 12:40:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1042 transitions. [2022-12-14 12:40:51,189 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1042 transitions. Word has length 28 [2022-12-14 12:40:51,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:51,190 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 1042 transitions. [2022-12-14 12:40:51,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:40:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1042 transitions. [2022-12-14 12:40:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 12:40:51,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:51,192 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:40:51,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:40:51,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:51,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1157891667, now seen corresponding path program 1 times [2022-12-14 12:40:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:51,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995112226] [2022-12-14 12:40:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:40:51,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995112226] [2022-12-14 12:40:51,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995112226] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098897557] [2022-12-14 12:40:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:51,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:51,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:51,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:51,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:40:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:51,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:40:51,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:51,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:51,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098897557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:51,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:51,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 12:40:51,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840128899] [2022-12-14 12:40:51,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:51,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:51,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:51,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:51,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:51,745 INFO L87 Difference]: Start difference. First operand 764 states and 1042 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:40:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:51,972 INFO L93 Difference]: Finished difference Result 1524 states and 2080 transitions. [2022-12-14 12:40:51,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:51,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2022-12-14 12:40:51,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:51,975 INFO L225 Difference]: With dead ends: 1524 [2022-12-14 12:40:51,975 INFO L226 Difference]: Without dead ends: 770 [2022-12-14 12:40:51,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:51,978 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 4 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:51,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 747 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:51,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-12-14 12:40:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 766. [2022-12-14 12:40:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 482 states have (on average 1.3257261410788381) internal successors, (639), 491 states have internal predecessors, (639), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-12-14 12:40:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1044 transitions. [2022-12-14 12:40:52,023 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1044 transitions. Word has length 43 [2022-12-14 12:40:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:52,023 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 1044 transitions. [2022-12-14 12:40:52,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:40:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1044 transitions. [2022-12-14 12:40:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 12:40:52,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:40:52,024 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:40:52,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 12:40:52,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:52,225 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:40:52,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:40:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash -385333961, now seen corresponding path program 1 times [2022-12-14 12:40:52,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:40:52,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764727525] [2022-12-14 12:40:52,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:40:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:40:52,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:40:52,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764727525] [2022-12-14 12:40:52,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764727525] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:40:52,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941051601] [2022-12-14 12:40:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:40:52,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:40:52,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:40:52,328 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:40:52,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:40:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:40:52,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:40:52,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:40:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 12:40:52,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:40:52,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941051601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:40:52,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:40:52,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 12:40:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226210141] [2022-12-14 12:40:52,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:40:52,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:40:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:40:52,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:40:52,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:52,570 INFO L87 Difference]: Start difference. First operand 766 states and 1044 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:40:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:40:52,817 INFO L93 Difference]: Finished difference Result 766 states and 1044 transitions. [2022-12-14 12:40:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:40:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-12-14 12:40:52,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:40:52,818 INFO L225 Difference]: With dead ends: 766 [2022-12-14 12:40:52,818 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:40:52,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:40:52,821 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 193 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:40:52,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 848 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:40:52,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:40:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:40:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:40:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:40:52,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-12-14 12:40:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:40:52,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:40:52,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:40:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:40:52,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:40:52,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 12:40:52,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:40:53,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 12:40:53,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:40:54,533 INFO L899 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2951 2982) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2022-12-14 12:40:54,534 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2022-12-14 12:40:54,534 INFO L902 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4566 4568) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4556 4558) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3063 3069) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3076 3082) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4563 4565) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4552 4554) the Hoare annotation is: true [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2022-12-14 12:40:54,535 INFO L899 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3407 3441) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point ldv_22850(lines 3413 3431) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3049 3055) the Hoare annotation is: true [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-12-14 12:40:54,536 INFO L899 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3212-2(lines 3201 3242) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3191 3243) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point L3234(lines 3234 3238) the Hoare annotation is: true [2022-12-14 12:40:54,537 INFO L899 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2022-12-14 12:40:54,537 INFO L902 garLoopResultBuilder]: At program point ldv_22806(lines 3201 3242) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4032 4039) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3070 3075) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4542 4544) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2983 2990) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L2986-1(line 2986) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L3099(lines 3099 3103) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L899 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2022-12-14 12:40:54,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3083 3137) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point L3106(lines 3106 3110) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 4041 4046) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L902 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2022-12-14 12:40:54,539 INFO L899 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3563 3636) the Hoare annotation is: true [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4549 4551) the Hoare annotation is: true [2022-12-14 12:40:54,540 INFO L899 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2022-12-14 12:40:54,540 INFO L902 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point fail(lines 3144 3189) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3138 3190) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##10(lines 3176 3180) the Hoare annotation is: true [2022-12-14 12:40:54,541 INFO L899 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4048 4053) the Hoare annotation is: true [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2805 2811) the Hoare annotation is: true [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3056 3062) the Hoare annotation is: true [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2022-12-14 12:40:54,542 INFO L902 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2022-12-14 12:40:54,542 INFO L899 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##6(lines 3289 3293) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point ldv_22820(lines 3254 3324) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point ldv_22817(lines 3254 3324) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point ldv_22819(lines 3254 3324) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3244 3325) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##13(lines 3309 3313) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2022-12-14 12:40:54,543 INFO L899 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2022-12-14 12:40:54,543 INFO L902 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2921 2930) the Hoare annotation is: true [2022-12-14 12:40:54,544 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4535 4537) the Hoare annotation is: true [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4516 4518) the Hoare annotation is: true [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L895 garLoopResultBuilder]: At program point pg_read_returnLabel#1(lines 3637 3696) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2022-12-14 12:40:54,544 INFO L899 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L4464-1(lines 4462 4465) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2022-12-14 12:40:54,545 INFO L902 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2022-12-14 12:40:54,545 INFO L899 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,545 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,545 INFO L899 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2022-12-14 12:40:54,545 INFO L899 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2022-12-14 12:40:54,545 INFO L895 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,545 INFO L899 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L895 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,546 INFO L899 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L899 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L899 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L899 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L895 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,546 INFO L899 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2022-12-14 12:40:54,546 INFO L895 garLoopResultBuilder]: At program point L3842(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,546 INFO L895 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L4503-1(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,547 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2022-12-14 12:40:54,547 INFO L899 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L4009-1(lines 4005 4012) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2022-12-14 12:40:54,547 INFO L895 garLoopResultBuilder]: At program point L4406-1(lines 4404 4407) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,547 INFO L899 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L895 garLoopResultBuilder]: At program point L3746(lines 3746 3751) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,548 INFO L895 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L895 garLoopResultBuilder]: At program point L3548(lines 3515 3551) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,548 INFO L895 garLoopResultBuilder]: At program point main_ldv_final#1(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2022-12-14 12:40:54,548 INFO L895 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,548 INFO L899 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L895 garLoopResultBuilder]: At program point L3715(lines 3715 3719) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L899 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2022-12-14 12:40:54,549 INFO L895 garLoopResultBuilder]: At program point L3487(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L3884(lines 3884 3892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,550 INFO L899 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,550 INFO L899 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L3521-2(lines 3521 3525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,550 INFO L899 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L4017-1(lines 4013 4020) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,550 INFO L895 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,551 INFO L895 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L895 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2022-12-14 12:40:54,551 INFO L895 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,551 INFO L899 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L895 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,552 INFO L895 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L895 garLoopResultBuilder]: At program point L3559-1(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,552 INFO L895 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2022-12-14 12:40:54,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L899 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L899 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2022-12-14 12:40:54,553 INFO L899 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L2933-1(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L3033-1(line 3033) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L2835-1(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,553 INFO L899 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L899 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2022-12-14 12:40:54,553 INFO L895 garLoopResultBuilder]: At program point $Ultimate##136(lines 3491 3495) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point $Ultimate##139(lines 3500 3503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point pg_init_out_chrdev#1(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point $Ultimate##148(lines 3733 3737) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point $Ultimate##155(lines 3762 3766) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L895 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,554 INFO L899 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##100(lines 3791 3795) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##105(lines 3809 3813) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,555 INFO L895 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##119(lines 3040 3044) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3326 3364) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point $Ultimate##5(lines 3351 3355) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3365 3406) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2022-12-14 12:40:54,555 INFO L902 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2022-12-14 12:40:54,555 INFO L899 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2022-12-14 12:40:54,556 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2022-12-14 12:40:54,556 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4569 4571) the Hoare annotation is: true [2022-12-14 12:40:54,558 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:40:54,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:40:54,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:40:54 BoogieIcfgContainer [2022-12-14 12:40:54,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:40:54,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:40:54,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:40:54,582 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:40:54,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:40:46" (3/4) ... [2022-12-14 12:40:54,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2022-12-14 12:40:54,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2022-12-14 12:40:54,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-12-14 12:40:54,613 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 301 nodes and edges [2022-12-14 12:40:54,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2022-12-14 12:40:54,616 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-14 12:40:54,617 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 12:40:54,618 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 12:40:54,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:40:54,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:40:54,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:40:54,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:40:54,722 INFO L158 Benchmark]: Toolchain (without parser) took 11402.98ms. Allocated memory was 127.9MB in the beginning and 270.5MB in the end (delta: 142.6MB). Free memory was 86.0MB in the beginning and 90.9MB in the end (delta: -4.9MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,722 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:40:54,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.93ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 85.5MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.24ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 76.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,722 INFO L158 Benchmark]: Boogie Preprocessor took 85.53ms. Allocated memory is still 155.2MB. Free memory was 76.4MB in the beginning and 67.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,722 INFO L158 Benchmark]: RCFGBuilder took 1762.39ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 67.1MB in the beginning and 95.4MB in the end (delta: -28.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,723 INFO L158 Benchmark]: TraceAbstraction took 8466.37ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 94.4MB in the beginning and 113.9MB in the end (delta: -19.5MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,723 INFO L158 Benchmark]: Witness Printer took 139.64ms. Allocated memory is still 270.5MB. Free memory was 113.9MB in the beginning and 90.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 12:40:54,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.93ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 85.5MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.24ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 76.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.53ms. Allocated memory is still 155.2MB. Free memory was 76.4MB in the beginning and 67.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1762.39ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 67.1MB in the beginning and 95.4MB in the end (delta: -28.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8466.37ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 94.4MB in the beginning and 113.9MB in the end (delta: -19.5MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. * Witness Printer took 139.64ms. Allocated memory is still 270.5MB. Free memory was 113.9MB in the beginning and 90.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 338 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2981 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2979 mSDsluCounter, 6294 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1986 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1187 IncrementalHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4308 mSDtfsCounter, 1187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 160 LocationsWithAnnotation, 2961 PreInvPairs, 3036 NumberOfFragments, 1030 HoareAnnotationTreeSize, 2961 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 160 FomulaSimplificationsInter, 13291 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5339 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3762]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3309]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3876]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3809]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3746]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4462]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3733]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3884]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4005]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4404]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3791]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3521]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3040]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2933]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3351]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3500]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3559]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 12:40:54,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d85741-3aa5-44a2-9ce8-4d248238e50d/bin/utaipan-gh47qXpMRh/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: TRUE