./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.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_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a172742698d01ea3d6a7e277a97e7636a1425e62fd3035feb511b810f7b798f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:45:02,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:45:02,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:45:02,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:45:02,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:45:02,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:45:02,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:45:02,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:45:02,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:45:02,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:45:02,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:45:02,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:45:02,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:45:02,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:45:02,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:45:02,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:45:02,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:45:02,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:45:02,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:45:02,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:45:02,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:45:02,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:45:02,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:45:02,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:45:02,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:45:02,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:45:02,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:45:02,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:45:02,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:45:02,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:45:02,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:45:02,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:45:02,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:45:02,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:45:02,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:45:02,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:45:02,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:45:02,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:45:02,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:45:02,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:45:02,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:45:02,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:45:02,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:45:02,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:45:02,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:45:02,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:45:02,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:45:02,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:45:02,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:45:02,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:45:02,918 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:45:02,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:45:02,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:45:02,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:45:02,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:45:02,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:45:02,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:45:02,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:45:02,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:45:02,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:45:02,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:45:02,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:45:02,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:45:02,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:45:02,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:45:02,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:45:02,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:45:02,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:45:02,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:45:02,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:45:02,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:45:02,922 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:45:02,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:45:02,922 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:45:02,923 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a172742698d01ea3d6a7e277a97e7636a1425e62fd3035feb511b810f7b798f5 [2022-12-13 12:45:03,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:45:03,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:45:03,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:45:03,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:45:03,108 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:45:03,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-13 12:45:05,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:45:05,949 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:45:05,950 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-13 12:45:05,970 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/data/5a005cb3a/3562081af66841eeaff4edb6226ec525/FLAGaf91dafe7 [2022-12-13 12:45:06,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/data/5a005cb3a/3562081af66841eeaff4edb6226ec525 [2022-12-13 12:45:06,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:45:06,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:45:06,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:45:06,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:45:06,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:45:06,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:45:06" (1/1) ... [2022-12-13 12:45:06,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ce66ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:06, skipping insertion in model container [2022-12-13 12:45:06,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:45:06" (1/1) ... [2022-12-13 12:45:06,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:45:06,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:45:06,561 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-13 12:45:06,565 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-12-13 12:45:06,707 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_word_data [2022-12-13 12:45:06,711 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_word_data [2022-12-13 12:45:06,713 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:06,717 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 12:45:06,803 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,807 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,811 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,840 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,843 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,847 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,868 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,869 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,912 WARN L623 FunctionHandler]: Unknown extern function vid_from_reg [2022-12-13 12:45:06,912 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,915 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:06,916 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,918 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:06,930 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,934 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,941 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,948 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:06,959 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:06,961 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:06,962 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-13 12:45:06,963 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:06,963 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-13 12:45:06,964 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:06,964 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:06,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:45:06,968 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,968 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:45:06,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,972 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,972 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:45:06,973 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-13 12:45:06,974 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:45:06,974 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:45:06,975 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-13 12:45:06,976 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 12:45:06,977 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 12:45:06,977 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:06,977 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:06,978 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 12:45:06,978 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 12:45:06,978 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:06,979 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:06,980 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,980 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,981 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:06,982 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,983 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,983 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,984 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,985 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:06,985 WARN L623 FunctionHandler]: Unknown extern function vid_which_vrm [2022-12-13 12:45:06,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:45:06,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:45:06,997 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-13 12:45:07,000 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-13 12:45:07,042 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,043 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:45:07,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,044 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,047 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,047 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,048 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,049 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,049 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,049 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,049 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,050 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,050 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,050 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,050 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,053 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_7112acf8-f6ed-4fea-897b-e584ffffdf73/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i[168612,168625] [2022-12-13 12:45:07,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:45:07,167 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:45:07,206 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-13 12:45:07,206 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-12-13 12:45:07,209 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_word_data [2022-12-13 12:45:07,210 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_word_data [2022-12-13 12:45:07,210 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:07,211 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 12:45:07,220 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,221 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,222 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,234 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,235 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,236 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,244 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,245 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,253 WARN L623 FunctionHandler]: Unknown extern function vid_from_reg [2022-12-13 12:45:07,253 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,254 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:07,254 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,255 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 12:45:07,256 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,257 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,261 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,262 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:45:07,268 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:07,269 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:07,269 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-13 12:45:07,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:07,270 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-13 12:45:07,271 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:45:07,271 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:07,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:45:07,274 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,274 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:45:07,275 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,275 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,276 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,276 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,276 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:45:07,277 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-13 12:45:07,277 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:45:07,278 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:45:07,278 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-13 12:45:07,278 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 12:45:07,279 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 12:45:07,279 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:07,279 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:07,280 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 12:45:07,280 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 12:45:07,280 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:07,280 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-13 12:45:07,281 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,281 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,282 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-13 12:45:07,282 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,283 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,283 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,284 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,284 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-13 12:45:07,284 WARN L623 FunctionHandler]: Unknown extern function vid_which_vrm [2022-12-13 12:45:07,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:45:07,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:45:07,290 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-13 12:45:07,291 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-13 12:45:07,321 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,321 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,321 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,322 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:45:07,322 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,322 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,324 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,326 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,326 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,326 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:45:07,326 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:45:07,326 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_7112acf8-f6ed-4fea-897b-e584ffffdf73/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i[168612,168625] [2022-12-13 12:45:07,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:45:07,447 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:45:07,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07 WrapperNode [2022-12-13 12:45:07,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:45:07,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:45:07,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:45:07,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:45:07,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,595 INFO L138 Inliner]: procedures = 184, calls = 2049, calls flagged for inlining = 74, calls inlined = 66, statements flattened = 5236 [2022-12-13 12:45:07,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:45:07,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:45:07,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:45:07,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:45:07,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:45:07,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:45:07,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:45:07,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:45:07,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (1/1) ... [2022-12-13 12:45:07,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:45:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:45:07,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:45:07,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7112acf8-f6ed-4fea-897b-e584ffffdf73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:45:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-12-13 12:45:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-12-13 12:45:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-13 12:45:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-12-13 12:45:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_asb100_data [2022-12-13 12:45:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_asb100_data [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-12-13 12:45:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_asb100_data [2022-12-13 12:45:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_asb100_data [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2022-12-13 12:45:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:45:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_hyst [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_hyst [2022-12-13 12:45:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-12-13 12:45:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-12-13 12:45:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-12-13 12:45:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_hyst [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_hyst [2022-12-13 12:45:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf_temp_from_reg [2022-12-13 12:45:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sprintf_temp_from_reg [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_update_device [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_update_device [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_asb100_data [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_asb100_data [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-12-13 12:45:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-12-13 12:45:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-12-13 12:45:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 12:45:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:45:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-12-13 12:45:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_max [2022-12-13 12:45:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_max [2022-12-13 12:45:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_write_value [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_write_value [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:45:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 12:45:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_asb100_data [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_asb100_data [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-12-13 12:45:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-12-13 12:45:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure IN_FROM_REG [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_FROM_REG [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-12-13 12:45:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_detect [2022-12-13 12:45:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_detect [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_read_value [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_read_value [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:45:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 12:45:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 12:45:08,302 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:45:08,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:45:11,600 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:45:11,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:45:11,617 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:45:11,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:45:11 BoogieIcfgContainer [2022-12-13 12:45:11,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:45:11,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:45:11,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:45:11,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:45:11,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:45:06" (1/3) ... [2022-12-13 12:45:11,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0d33e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:45:11, skipping insertion in model container [2022-12-13 12:45:11,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:45:07" (2/3) ... [2022-12-13 12:45:11,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0d33e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:45:11, skipping insertion in model container [2022-12-13 12:45:11,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:45:11" (3/3) ... [2022-12-13 12:45:11,628 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-13 12:45:11,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:45:11,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:45:11,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:45:11,710 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@92f0114, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:45:11,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:45:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 1304 states, 974 states have (on average 1.484599589322382) internal successors, (1446), 988 states have internal predecessors, (1446), 277 states have call successors, (277), 51 states have call predecessors, (277), 51 states have return successors, (277), 275 states have call predecessors, (277), 277 states have call successors, (277) [2022-12-13 12:45:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 12:45:11,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:11,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:11,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -180663845, now seen corresponding path program 1 times [2022-12-13 12:45:11,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:11,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027507977] [2022-12-13 12:45:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:12,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:45:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:12,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:12,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027507977] [2022-12-13 12:45:12,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027507977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:12,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:12,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:12,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117369551] [2022-12-13 12:45:12,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:12,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:12,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:12,474 INFO L87 Difference]: Start difference. First operand has 1304 states, 974 states have (on average 1.484599589322382) internal successors, (1446), 988 states have internal predecessors, (1446), 277 states have call successors, (277), 51 states have call predecessors, (277), 51 states have return successors, (277), 275 states have call predecessors, (277), 277 states have call successors, (277) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:14,470 INFO L93 Difference]: Finished difference Result 4052 states and 6673 transitions. [2022-12-13 12:45:14,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:14,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-12-13 12:45:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:14,493 INFO L225 Difference]: With dead ends: 4052 [2022-12-13 12:45:14,493 INFO L226 Difference]: Without dead ends: 2743 [2022-12-13 12:45:14,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:14,508 INFO L413 NwaCegarLoop]: 2156 mSDtfsCounter, 2283 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:14,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 5367 Invalid, 1574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [680 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 12:45:14,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-12-13 12:45:14,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2564. [2022-12-13 12:45:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1920 states have (on average 1.4833333333333334) internal successors, (2848), 1936 states have internal predecessors, (2848), 543 states have call successors, (543), 101 states have call predecessors, (543), 100 states have return successors, (534), 530 states have call predecessors, (534), 534 states have call successors, (534) [2022-12-13 12:45:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3925 transitions. [2022-12-13 12:45:14,689 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3925 transitions. Word has length 36 [2022-12-13 12:45:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:14,689 INFO L495 AbstractCegarLoop]: Abstraction has 2564 states and 3925 transitions. [2022-12-13 12:45:14,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3925 transitions. [2022-12-13 12:45:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:45:14,691 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:14,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:14,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:45:14,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:14,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1992882679, now seen corresponding path program 1 times [2022-12-13 12:45:14,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:14,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338818218] [2022-12-13 12:45:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:45:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:14,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:14,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338818218] [2022-12-13 12:45:14,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338818218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:14,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:14,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:14,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674993004] [2022-12-13 12:45:14,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:14,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:14,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:14,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:14,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:14,986 INFO L87 Difference]: Start difference. First operand 2564 states and 3925 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:16,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:16,858 INFO L93 Difference]: Finished difference Result 7986 states and 12419 transitions. [2022-12-13 12:45:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:16,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2022-12-13 12:45:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:16,881 INFO L225 Difference]: With dead ends: 7986 [2022-12-13 12:45:16,881 INFO L226 Difference]: Without dead ends: 5425 [2022-12-13 12:45:16,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:16,891 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 2243 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 5501 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:16,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 5501 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [666 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 12:45:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5425 states. [2022-12-13 12:45:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5425 to 5086. [2022-12-13 12:45:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5086 states, 3812 states have (on average 1.4826862539349424) internal successors, (5652), 3836 states have internal predecessors, (5652), 1073 states have call successors, (1073), 201 states have call predecessors, (1073), 200 states have return successors, (1064), 1056 states have call predecessors, (1064), 1064 states have call successors, (1064) [2022-12-13 12:45:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5086 states to 5086 states and 7789 transitions. [2022-12-13 12:45:17,046 INFO L78 Accepts]: Start accepts. Automaton has 5086 states and 7789 transitions. Word has length 42 [2022-12-13 12:45:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:17,046 INFO L495 AbstractCegarLoop]: Abstraction has 5086 states and 7789 transitions. [2022-12-13 12:45:17,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 5086 states and 7789 transitions. [2022-12-13 12:45:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 12:45:17,048 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:17,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:17,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:45:17,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:17,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1363769187, now seen corresponding path program 1 times [2022-12-13 12:45:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:17,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38170240] [2022-12-13 12:45:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:17,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:45:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:17,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:17,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38170240] [2022-12-13 12:45:17,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38170240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:17,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:17,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:17,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139537656] [2022-12-13 12:45:17,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:17,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:17,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:17,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:17,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:17,342 INFO L87 Difference]: Start difference. First operand 5086 states and 7789 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:19,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:19,114 INFO L93 Difference]: Finished difference Result 15792 states and 24561 transitions. [2022-12-13 12:45:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:19,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-12-13 12:45:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:19,174 INFO L225 Difference]: With dead ends: 15792 [2022-12-13 12:45:19,174 INFO L226 Difference]: Without dead ends: 10709 [2022-12-13 12:45:19,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:19,186 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 2258 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:19,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 5563 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 12:45:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2022-12-13 12:45:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 10050. [2022-12-13 12:45:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10050 states, 7544 states have (on average 1.4830328738069989) internal successors, (11188), 7584 states have internal predecessors, (11188), 2105 states have call successors, (2105), 401 states have call predecessors, (2105), 400 states have return successors, (2096), 2080 states have call predecessors, (2096), 2096 states have call successors, (2096) [2022-12-13 12:45:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 15389 transitions. [2022-12-13 12:45:19,506 INFO L78 Accepts]: Start accepts. Automaton has 10050 states and 15389 transitions. Word has length 39 [2022-12-13 12:45:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:19,507 INFO L495 AbstractCegarLoop]: Abstraction has 10050 states and 15389 transitions. [2022-12-13 12:45:19,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10050 states and 15389 transitions. [2022-12-13 12:45:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 12:45:19,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:19,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:19,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:45:19,509 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:19,509 INFO L85 PathProgramCache]: Analyzing trace with hash 67612052, now seen corresponding path program 1 times [2022-12-13 12:45:19,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:19,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952961404] [2022-12-13 12:45:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:45:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:19,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:19,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952961404] [2022-12-13 12:45:19,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952961404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:19,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:19,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788885981] [2022-12-13 12:45:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:19,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:19,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:19,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:19,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:19,759 INFO L87 Difference]: Start difference. First operand 10050 states and 15389 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:21,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:21,400 INFO L93 Difference]: Finished difference Result 31344 states and 48745 transitions. [2022-12-13 12:45:21,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:21,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-12-13 12:45:21,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:21,470 INFO L225 Difference]: With dead ends: 31344 [2022-12-13 12:45:21,470 INFO L226 Difference]: Without dead ends: 21297 [2022-12-13 12:45:21,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:21,497 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 2314 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:21,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 5590 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 12:45:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21297 states. [2022-12-13 12:45:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21297 to 19998. [2022-12-13 12:45:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19998 states, 15012 states have (on average 1.4820143884892085) internal successors, (22248), 15084 states have internal predecessors, (22248), 4185 states have call successors, (4185), 801 states have call predecessors, (4185), 800 states have return successors, (4176), 4144 states have call predecessors, (4176), 4176 states have call successors, (4176) [2022-12-13 12:45:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19998 states to 19998 states and 30609 transitions. [2022-12-13 12:45:22,222 INFO L78 Accepts]: Start accepts. Automaton has 19998 states and 30609 transitions. Word has length 34 [2022-12-13 12:45:22,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:22,222 INFO L495 AbstractCegarLoop]: Abstraction has 19998 states and 30609 transitions. [2022-12-13 12:45:22,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:22,223 INFO L276 IsEmpty]: Start isEmpty. Operand 19998 states and 30609 transitions. [2022-12-13 12:45:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 12:45:22,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:22,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:22,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:45:22,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:22,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1221123138, now seen corresponding path program 1 times [2022-12-13 12:45:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:22,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097220460] [2022-12-13 12:45:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:45:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:22,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:22,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097220460] [2022-12-13 12:45:22,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097220460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:22,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:22,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:22,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842115414] [2022-12-13 12:45:22,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:22,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:22,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:22,439 INFO L87 Difference]: Start difference. First operand 19998 states and 30609 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:24,921 INFO L93 Difference]: Finished difference Result 62420 states and 97069 transitions. [2022-12-13 12:45:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:24,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2022-12-13 12:45:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:25,044 INFO L225 Difference]: With dead ends: 62420 [2022-12-13 12:45:25,044 INFO L226 Difference]: Without dead ends: 42425 [2022-12-13 12:45:25,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:25,099 INFO L413 NwaCegarLoop]: 2413 mSDtfsCounter, 2217 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 5801 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:25,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 5801 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 12:45:25,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42425 states. [2022-12-13 12:45:26,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42425 to 39846. [2022-12-13 12:45:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39846 states, 29900 states have (on average 1.4817391304347827) internal successors, (44304), 30036 states have internal predecessors, (44304), 8345 states have call successors, (8345), 1601 states have call predecessors, (8345), 1600 states have return successors, (8336), 8272 states have call predecessors, (8336), 8336 states have call successors, (8336) [2022-12-13 12:45:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39846 states to 39846 states and 60985 transitions. [2022-12-13 12:45:26,481 INFO L78 Accepts]: Start accepts. Automaton has 39846 states and 60985 transitions. Word has length 41 [2022-12-13 12:45:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:26,481 INFO L495 AbstractCegarLoop]: Abstraction has 39846 states and 60985 transitions. [2022-12-13 12:45:26,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 39846 states and 60985 transitions. [2022-12-13 12:45:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 12:45:26,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:26,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:26,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:45:26,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:26,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1900588859, now seen corresponding path program 1 times [2022-12-13 12:45:26,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:26,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119161906] [2022-12-13 12:45:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:45:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:26,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119161906] [2022-12-13 12:45:26,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119161906] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:26,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:26,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602575192] [2022-12-13 12:45:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:26,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:26,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:26,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:26,762 INFO L87 Difference]: Start difference. First operand 39846 states and 60985 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:30,127 INFO L93 Difference]: Finished difference Result 124460 states and 193509 transitions. [2022-12-13 12:45:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:30,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-12-13 12:45:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:30,436 INFO L225 Difference]: With dead ends: 124460 [2022-12-13 12:45:30,436 INFO L226 Difference]: Without dead ends: 84617 [2022-12-13 12:45:30,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:30,581 INFO L413 NwaCegarLoop]: 2427 mSDtfsCounter, 2225 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 5878 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:30,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 5878 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 12:45:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84617 states. [2022-12-13 12:45:32,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84617 to 79478. [2022-12-13 12:45:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79478 states, 59628 states have (on average 1.480915006372845) internal successors, (88304), 59892 states have internal predecessors, (88304), 16649 states have call successors, (16649), 3201 states have call predecessors, (16649), 3200 states have return successors, (16640), 16512 states have call predecessors, (16640), 16640 states have call successors, (16640) [2022-12-13 12:45:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79478 states to 79478 states and 121593 transitions. [2022-12-13 12:45:32,899 INFO L78 Accepts]: Start accepts. Automaton has 79478 states and 121593 transitions. Word has length 36 [2022-12-13 12:45:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:32,899 INFO L495 AbstractCegarLoop]: Abstraction has 79478 states and 121593 transitions. [2022-12-13 12:45:32,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 79478 states and 121593 transitions. [2022-12-13 12:45:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 12:45:32,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:32,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:32,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:45:32,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:32,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:32,900 INFO L85 PathProgramCache]: Analyzing trace with hash 588927781, now seen corresponding path program 1 times [2022-12-13 12:45:32,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:32,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399627408] [2022-12-13 12:45:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:45:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:33,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399627408] [2022-12-13 12:45:33,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399627408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:33,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:33,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:33,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202428425] [2022-12-13 12:45:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:33,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:33,210 INFO L87 Difference]: Start difference. First operand 79478 states and 121593 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:38,692 INFO L93 Difference]: Finished difference Result 248028 states and 385445 transitions. [2022-12-13 12:45:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:38,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-12-13 12:45:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:39,217 INFO L225 Difference]: With dead ends: 248028 [2022-12-13 12:45:39,217 INFO L226 Difference]: Without dead ends: 168553 [2022-12-13 12:45:39,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:39,436 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 2184 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:39,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 5933 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 12:45:39,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168553 states. [2022-12-13 12:45:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168553 to 158294. [2022-12-13 12:45:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158294 states, 118732 states have (on average 1.479769565070916) internal successors, (175696), 119252 states have internal predecessors, (175696), 33161 states have call successors, (33161), 6401 states have call predecessors, (33161), 6400 states have return successors, (33152), 32896 states have call predecessors, (33152), 33152 states have call successors, (33152) [2022-12-13 12:45:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158294 states to 158294 states and 242009 transitions. [2022-12-13 12:45:44,751 INFO L78 Accepts]: Start accepts. Automaton has 158294 states and 242009 transitions. Word has length 38 [2022-12-13 12:45:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:45:44,751 INFO L495 AbstractCegarLoop]: Abstraction has 158294 states and 242009 transitions. [2022-12-13 12:45:44,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 158294 states and 242009 transitions. [2022-12-13 12:45:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 12:45:44,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:45:44,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:45:44,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:45:44,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:45:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:45:44,753 INFO L85 PathProgramCache]: Analyzing trace with hash 767769012, now seen corresponding path program 1 times [2022-12-13 12:45:44,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:45:44,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421730622] [2022-12-13 12:45:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:45:44,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:45:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 12:45:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:44,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:45:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:45:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:45:44,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:45:44,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421730622] [2022-12-13 12:45:44,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421730622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:45:44,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:45:44,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:45:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294218353] [2022-12-13 12:45:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:45:44,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:45:44,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:45:44,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:45:44,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:45:44,981 INFO L87 Difference]: Start difference. First operand 158294 states and 242009 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:45:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:45:54,399 INFO L93 Difference]: Finished difference Result 494076 states and 767365 transitions. [2022-12-13 12:45:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:45:54,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-12-13 12:45:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:45:55,709 INFO L225 Difference]: With dead ends: 494076 [2022-12-13 12:45:55,710 INFO L226 Difference]: Without dead ends: 335785 [2022-12-13 12:45:56,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:45:56,382 INFO L413 NwaCegarLoop]: 2499 mSDtfsCounter, 2179 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 5920 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:45:56,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 5920 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 12:45:56,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335785 states. [2022-12-13 12:46:05,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335785 to 315286. [2022-12-13 12:46:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315286 states, 236428 states have (on average 1.4786065948195646) internal successors, (349584), 237460 states have internal predecessors, (349584), 66057 states have call successors, (66057), 12801 states have call predecessors, (66057), 12800 states have return successors, (66048), 65536 states have call predecessors, (66048), 66048 states have call successors, (66048) [2022-12-13 12:46:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315286 states to 315286 states and 481689 transitions. [2022-12-13 12:46:07,244 INFO L78 Accepts]: Start accepts. Automaton has 315286 states and 481689 transitions. Word has length 43 [2022-12-13 12:46:07,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:46:07,245 INFO L495 AbstractCegarLoop]: Abstraction has 315286 states and 481689 transitions. [2022-12-13 12:46:07,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:46:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 315286 states and 481689 transitions. [2022-12-13 12:46:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 12:46:07,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:46:07,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:46:07,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:46:07,246 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:46:07,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:46:07,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1541310077, now seen corresponding path program 1 times [2022-12-13 12:46:07,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:46:07,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456476242] [2022-12-13 12:46:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:46:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:46:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:07,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:46:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:46:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:46:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:46:07,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:46:07,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456476242] [2022-12-13 12:46:07,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456476242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:46:07,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:46:07,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:46:07,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381417092] [2022-12-13 12:46:07,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:46:07,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:46:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:46:07,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:46:07,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:46:07,450 INFO L87 Difference]: Start difference. First operand 315286 states and 481689 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:46:25,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:46:25,816 INFO L93 Difference]: Finished difference Result 984252 states and 1527749 transitions. [2022-12-13 12:46:25,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:46:25,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-12-13 12:46:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:46:28,636 INFO L225 Difference]: With dead ends: 984252 [2022-12-13 12:46:28,636 INFO L226 Difference]: Without dead ends: 668969 [2022-12-13 12:46:29,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:46:29,846 INFO L413 NwaCegarLoop]: 2314 mSDtfsCounter, 2309 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 5718 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:46:29,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 5718 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 12:46:30,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668969 states. [2022-12-13 12:46:48,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668969 to 627990. [2022-12-13 12:46:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627990 states, 470796 states have (on average 1.4774297147809243) internal successors, (695568), 472852 states have internal predecessors, (695568), 131593 states have call successors, (131593), 25601 states have call predecessors, (131593), 25600 states have return successors, (131584), 130560 states have call predecessors, (131584), 131584 states have call successors, (131584) [2022-12-13 12:46:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627990 states to 627990 states and 958745 transitions. [2022-12-13 12:46:52,513 INFO L78 Accepts]: Start accepts. Automaton has 627990 states and 958745 transitions. Word has length 39 [2022-12-13 12:46:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:46:52,513 INFO L495 AbstractCegarLoop]: Abstraction has 627990 states and 958745 transitions. [2022-12-13 12:46:52,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:46:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 627990 states and 958745 transitions. [2022-12-13 12:46:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 12:46:52,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:46:52,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:46:52,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:46:52,514 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:46:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:46:52,515 INFO L85 PathProgramCache]: Analyzing trace with hash -216787262, now seen corresponding path program 1 times [2022-12-13 12:46:52,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:46:52,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685886689] [2022-12-13 12:46:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:46:52,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:46:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 12:46:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:46:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:46:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:46:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:46:52,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:46:52,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685886689] [2022-12-13 12:46:52,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685886689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:46:52,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:46:52,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:46:52,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242794225] [2022-12-13 12:46:52,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:46:52,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:46:52,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:46:52,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:46:52,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:46:52,728 INFO L87 Difference]: Start difference. First operand 627990 states and 958745 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:47:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:47:32,701 INFO L93 Difference]: Finished difference Result 1952060 states and 3027781 transitions. [2022-12-13 12:47:32,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:47:32,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-12-13 12:47:32,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:47:38,360 INFO L225 Difference]: With dead ends: 1952060 [2022-12-13 12:47:38,360 INFO L226 Difference]: Without dead ends: 1324073 [2022-12-13 12:47:40,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:47:40,846 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 2162 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:47:40,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 5866 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 12:47:41,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324073 states. [2022-12-13 12:48:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324073 to 1242134. [2022-12-13 12:48:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242134 states, 932364 states have (on average 1.4783067557305944) internal successors, (1378320), 936468 states have internal predecessors, (1378320), 258569 states have call successors, (258569), 51201 states have call predecessors, (258569), 51200 states have return successors, (258560), 256512 states have call predecessors, (258560), 258560 states have call successors, (258560)