./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_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/config/TaipanReach.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_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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 [2022-12-14 09:24:55,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:24:55,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:24:55,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:24:55,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:24:55,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:24:55,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:24:55,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:24:55,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:24:55,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:24:55,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:24:55,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:24:55,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:24:55,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:24:55,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:24:55,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:24:55,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:24:55,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:24:55,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:24:55,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:24:55,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:24:55,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:24:55,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:24:55,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:24:55,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:24:55,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:24:55,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:24:55,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:24:55,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:24:55,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:24:55,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:24:55,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:24:55,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:24:55,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:24:55,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:24:55,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:24:55,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:24:55,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:24:55,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:24:55,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:24:55,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:24:55,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:24:55,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:24:55,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:24:55,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:24:55,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:24:55,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:24:55,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:24:55,105 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:24:55,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:24:55,106 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:24:55,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:24:55,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:24:55,107 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:24:55,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:24:55,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:24:55,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:24:55,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:24:55,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:24:55,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:24:55,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:24:55,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:24:55,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:24:55,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:24:55,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:24:55,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:24:55,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:24:55,110 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:24:55,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:24:55,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:24:55,110 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:24:55,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:24:55,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:24:55,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:24:55,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a172742698d01ea3d6a7e277a97e7636a1425e62fd3035feb511b810f7b798f5 [2022-12-14 09:24:55,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:24:55,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:24:55,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:24:55,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:24:55,308 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:24:55,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-14 09:24:57,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:24:58,208 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:24:58,209 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-14 09:24:58,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/data/6d3427288/b7297e37ce084768a106b5fab0d0f2b3/FLAG2710fb096 [2022-12-14 09:24:58,240 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/data/6d3427288/b7297e37ce084768a106b5fab0d0f2b3 [2022-12-14 09:24:58,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:24:58,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:24:58,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:24:58,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:24:58,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:24:58,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:24:58" (1/1) ... [2022-12-14 09:24:58,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c16348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:58, skipping insertion in model container [2022-12-14 09:24:58,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:24:58" (1/1) ... [2022-12-14 09:24:58,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:24:58,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:24:58,567 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 09:24:58,571 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-12-14 09:24:58,753 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_word_data [2022-12-14 09:24:58,757 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_word_data [2022-12-14 09:24:58,759 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:58,763 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:24:58,840 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,844 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,848 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,873 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,877 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,880 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,898 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,899 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,923 WARN L623 FunctionHandler]: Unknown extern function vid_from_reg [2022-12-14 09:24:58,924 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,926 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:58,927 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,930 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:58,933 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,937 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,943 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,949 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:58,961 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:58,963 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:58,963 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-14 09:24:58,964 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:58,964 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-14 09:24:58,965 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:58,965 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:58,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:24:58,969 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,969 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:24:58,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,971 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,972 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,972 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:24:58,973 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-14 09:24:58,973 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:24:58,974 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:24:58,975 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 09:24:58,975 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-14 09:24:58,976 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 09:24:58,976 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:58,976 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:58,977 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 09:24:58,977 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 09:24:58,978 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:58,978 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:58,979 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,979 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,980 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:58,980 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,981 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,982 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,982 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,983 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:58,984 WARN L623 FunctionHandler]: Unknown extern function vid_which_vrm [2022-12-14 09:24:58,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 09:24:58,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 09:24:58,994 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-14 09:24:58,997 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-14 09:24:59,036 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,037 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,037 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,037 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:24:59,038 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,038 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,038 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,039 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,039 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,039 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,039 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,040 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,040 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,041 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,041 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,041 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,041 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,042 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,042 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,042 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,042 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,044 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,046 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_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i[168612,168625] [2022-12-14 09:24:59,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:24:59,179 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:24:59,241 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 09:24:59,241 WARN L623 FunctionHandler]: Unknown extern function kstrtoll [2022-12-14 09:24:59,246 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_word_data [2022-12-14 09:24:59,247 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_word_data [2022-12-14 09:24:59,247 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:59,248 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:24:59,260 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,261 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,263 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,288 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,289 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,289 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,297 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,297 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,305 WARN L623 FunctionHandler]: Unknown extern function vid_from_reg [2022-12-14 09:24:59,306 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,307 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:59,307 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,307 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:24:59,308 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,309 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,313 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,314 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:24:59,319 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:59,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:59,321 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-14 09:24:59,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:59,322 WARN L623 FunctionHandler]: Unknown extern function i2c_new_dummy [2022-12-14 09:24:59,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:24:59,323 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:59,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:24:59,325 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,326 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:24:59,327 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,327 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,327 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,327 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,328 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:24:59,328 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-14 09:24:59,329 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:24:59,329 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:24:59,330 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 09:24:59,330 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-14 09:24:59,330 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 09:24:59,330 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:59,331 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:59,331 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 09:24:59,331 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 09:24:59,331 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:59,332 WARN L623 FunctionHandler]: Unknown extern function i2c_unregister_device [2022-12-14 09:24:59,332 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,332 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,333 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte_data [2022-12-14 09:24:59,333 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,334 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,334 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,335 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,335 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte_data [2022-12-14 09:24:59,336 WARN L623 FunctionHandler]: Unknown extern function vid_which_vrm [2022-12-14 09:24:59,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 09:24:59,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 09:24:59,342 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-14 09:24:59,342 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-14 09:24:59,365 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,365 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,365 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,366 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:24:59,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,366 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,366 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,367 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,368 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,368 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,368 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,368 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,368 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,369 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,370 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,370 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,370 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:24:59,370 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:24:59,370 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_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i[168612,168625] [2022-12-14 09:24:59,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:24:59,477 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:24:59,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59 WrapperNode [2022-12-14 09:24:59,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:24:59,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:24:59,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:24:59,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:24:59,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,651 INFO L138 Inliner]: procedures = 184, calls = 2049, calls flagged for inlining = 74, calls inlined = 66, statements flattened = 5236 [2022-12-14 09:24:59,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:24:59,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:24:59,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:24:59,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:24:59,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:24:59,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:24:59,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:24:59,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:24:59,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (1/1) ... [2022-12-14 09:24:59,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:24:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:24:59,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:24:59,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e17ed66-24c2-40b4-be45-876c5ec3bd8c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:24:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-12-14 09:24:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-12-14 09:24:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 09:24:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 09:24:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-12-14 09:24:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-12-14 09:24:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_asb100_data [2022-12-14 09:24:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_asb100_data [2022-12-14 09:24:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-12-14 09:24:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-12-14 09:24:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_asb100_data [2022-12-14 09:24:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_asb100_data [2022-12-14 09:24:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2022-12-14 09:24:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2022-12-14 09:24:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:24:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_hyst [2022-12-14 09:24:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_hyst [2022-12-14 09:24:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-12-14 09:24:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-12-14 09:24:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-12-14 09:24:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-12-14 09:24:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-12-14 09:24:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-12-14 09:24:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_hyst [2022-12-14 09:24:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_hyst [2022-12-14 09:24:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf_temp_from_reg [2022-12-14 09:24:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sprintf_temp_from_reg [2022-12-14 09:24:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:24:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:24:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_update_device [2022-12-14 09:24:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_update_device [2022-12-14 09:24:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-12-14 09:24:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-12-14 09:24:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_asb100_data [2022-12-14 09:24:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_asb100_data [2022-12-14 09:24:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-12-14 09:24:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-12-14 09:24:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-12-14 09:24:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-12-14 09:24:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:24:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:24:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-12-14 09:24:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-12-14 09:24:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_max [2022-12-14 09:24:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_max [2022-12-14 09:24:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:24:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:24:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2022-12-14 09:24:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2022-12-14 09:24:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2022-12-14 09:24:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2022-12-14 09:24:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_write_value [2022-12-14 09:24:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_write_value [2022-12-14 09:24:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2022-12-14 09:24:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 09:24:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-12-14 09:24:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:24:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2022-12-14 09:24:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2022-12-14 09:24:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-12-14 09:24:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-12-14 09:24:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:24:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_asb100_data [2022-12-14 09:24:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_asb100_data [2022-12-14 09:24:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-12-14 09:24:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-12-14 09:24:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-12-14 09:24:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-12-14 09:24:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-12-14 09:24:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-12-14 09:24:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-12-14 09:24:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-12-14 09:24:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:24:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure IN_FROM_REG [2022-12-14 09:24:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_FROM_REG [2022-12-14 09:24:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-12-14 09:24:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-12-14 09:24:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:24:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-12-14 09:24:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-12-14 09:24:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_detect [2022-12-14 09:24:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_detect [2022-12-14 09:24:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure asb100_read_value [2022-12-14 09:24:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure asb100_read_value [2022-12-14 09:24:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 09:24:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 09:24:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-12-14 09:24:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-12-14 09:24:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 09:24:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 09:24:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-12-14 09:24:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-12-14 09:24:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:24:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-12-14 09:24:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-12-14 09:24:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:24:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:24:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:24:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:25:00,378 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:25:00,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:25:03,952 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:25:05,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:25:05,067 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:25:05,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:25:05 BoogieIcfgContainer [2022-12-14 09:25:05,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:25:05,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:25:05,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:25:05,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:25:05,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:24:58" (1/3) ... [2022-12-14 09:25:05,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777b2f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:25:05, skipping insertion in model container [2022-12-14 09:25:05,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:24:59" (2/3) ... [2022-12-14 09:25:05,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777b2f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:25:05, skipping insertion in model container [2022-12-14 09:25:05,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:25:05" (3/3) ... [2022-12-14 09:25:05,077 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--asb100.ko-main.cil.out.i [2022-12-14 09:25:05,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:25:05,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:25:05,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:25:05,160 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c86fd92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:25:05,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:25:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 1020 states, 690 states have (on average 1.5333333333333334) internal successors, (1058), 704 states have internal predecessors, (1058), 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) [2022-12-14 09:25:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 09:25:05,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:05,180 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] [2022-12-14 09:25:05,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash 689037606, now seen corresponding path program 1 times [2022-12-14 09:25:05,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:05,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496997900] [2022-12-14 09:25:05,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:05,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:05,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496997900] [2022-12-14 09:25:05,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496997900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:05,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:05,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:05,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511619242] [2022-12-14 09:25:05,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:05,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:05,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:05,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:05,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:05,856 INFO L87 Difference]: Start difference. First operand has 1020 states, 690 states have (on average 1.5333333333333334) internal successors, (1058), 704 states have internal predecessors, (1058), 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 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 09:25:06,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:06,496 INFO L93 Difference]: Finished difference Result 3047 states and 5120 transitions. [2022-12-14 09:25:06,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:06,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 32 [2022-12-14 09:25:06,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:06,514 INFO L225 Difference]: With dead ends: 3047 [2022-12-14 09:25:06,514 INFO L226 Difference]: Without dead ends: 2024 [2022-12-14 09:25:06,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:06,528 INFO L413 NwaCegarLoop]: 1712 mSDtfsCounter, 1579 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:06,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 3151 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2022-12-14 09:25:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2007. [2022-12-14 09:25:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1363 states have (on average 1.5297138664710197) internal successors, (2085), 1379 states have internal predecessors, (2085), 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) [2022-12-14 09:25:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 3162 transitions. [2022-12-14 09:25:06,653 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 3162 transitions. Word has length 32 [2022-12-14 09:25:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:06,654 INFO L495 AbstractCegarLoop]: Abstraction has 2007 states and 3162 transitions. [2022-12-14 09:25:06,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 09:25:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 3162 transitions. [2022-12-14 09:25:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 09:25:06,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:06,656 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] [2022-12-14 09:25:06,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:25:06,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:06,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:06,657 INFO L85 PathProgramCache]: Analyzing trace with hash -745785121, now seen corresponding path program 1 times [2022-12-14 09:25:06,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:06,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495415258] [2022-12-14 09:25:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:06,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:06,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495415258] [2022-12-14 09:25:06,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495415258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:06,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:06,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:06,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072276414] [2022-12-14 09:25:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:06,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:06,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:06,955 INFO L87 Difference]: Start difference. First operand 2007 states and 3162 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 09:25:07,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:07,575 INFO L93 Difference]: Finished difference Result 6002 states and 9454 transitions. [2022-12-14 09:25:07,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:07,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 30 [2022-12-14 09:25:07,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:07,602 INFO L225 Difference]: With dead ends: 6002 [2022-12-14 09:25:07,602 INFO L226 Difference]: Without dead ends: 3996 [2022-12-14 09:25:07,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:07,611 INFO L413 NwaCegarLoop]: 1786 mSDtfsCounter, 1579 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:07,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 3224 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:07,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2022-12-14 09:25:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3979. [2022-12-14 09:25:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3979 states, 2705 states have (on average 1.5282809611829944) internal successors, (4134), 2729 states have internal predecessors, (4134), 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) [2022-12-14 09:25:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 6271 transitions. [2022-12-14 09:25:07,750 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 6271 transitions. Word has length 30 [2022-12-14 09:25:07,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:07,750 INFO L495 AbstractCegarLoop]: Abstraction has 3979 states and 6271 transitions. [2022-12-14 09:25:07,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 09:25:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 6271 transitions. [2022-12-14 09:25:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 09:25:07,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:07,751 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] [2022-12-14 09:25:07,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:25:07,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:07,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:07,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1106845318, now seen corresponding path program 1 times [2022-12-14 09:25:07,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:07,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389192273] [2022-12-14 09:25:07,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:07,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:08,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:08,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389192273] [2022-12-14 09:25:08,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389192273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:08,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:08,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:08,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987583098] [2022-12-14 09:25:08,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:08,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:08,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:08,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:08,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:08,074 INFO L87 Difference]: Start difference. First operand 3979 states and 6271 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 09:25:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:08,859 INFO L93 Difference]: Finished difference Result 11918 states and 18781 transitions. [2022-12-14 09:25:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 32 [2022-12-14 09:25:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:08,895 INFO L225 Difference]: With dead ends: 11918 [2022-12-14 09:25:08,895 INFO L226 Difference]: Without dead ends: 7940 [2022-12-14 09:25:08,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:08,915 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 1583 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 3244 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:08,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 3244 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2022-12-14 09:25:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 7923. [2022-12-14 09:25:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7923 states, 5389 states have (on average 1.5271850064947115) internal successors, (8230), 5429 states have internal predecessors, (8230), 2133 states have call successors, (2133), 401 states have call predecessors, (2133), 400 states have return successors, (2124), 2108 states have call predecessors, (2124), 2124 states have call successors, (2124) [2022-12-14 09:25:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7923 states to 7923 states and 12487 transitions. [2022-12-14 09:25:09,266 INFO L78 Accepts]: Start accepts. Automaton has 7923 states and 12487 transitions. Word has length 32 [2022-12-14 09:25:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:09,267 INFO L495 AbstractCegarLoop]: Abstraction has 7923 states and 12487 transitions. [2022-12-14 09:25:09,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-14 09:25:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7923 states and 12487 transitions. [2022-12-14 09:25:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 09:25:09,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:09,269 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] [2022-12-14 09:25:09,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:25:09,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:09,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1354244306, now seen corresponding path program 1 times [2022-12-14 09:25:09,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:09,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733356681] [2022-12-14 09:25:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:09,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:09,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733356681] [2022-12-14 09:25:09,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733356681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:09,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:09,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102727050] [2022-12-14 09:25:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:09,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:09,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:09,578 INFO L87 Difference]: Start difference. First operand 7923 states and 12487 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-14 09:25:10,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:10,465 INFO L93 Difference]: Finished difference Result 23702 states and 37345 transitions. [2022-12-14 09:25:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:10,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 31 [2022-12-14 09:25:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:10,542 INFO L225 Difference]: With dead ends: 23702 [2022-12-14 09:25:10,543 INFO L226 Difference]: Without dead ends: 15780 [2022-12-14 09:25:10,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:10,572 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 1578 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:10,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 3276 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:25:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15780 states. [2022-12-14 09:25:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15780 to 15763. [2022-12-14 09:25:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15763 states, 10721 states have (on average 1.5257905046171065) internal successors, (16358), 10793 states have internal predecessors, (16358), 4241 states have call successors, (4241), 801 states have call predecessors, (4241), 800 states have return successors, (4232), 4200 states have call predecessors, (4232), 4232 states have call successors, (4232) [2022-12-14 09:25:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15763 states to 15763 states and 24831 transitions. [2022-12-14 09:25:11,154 INFO L78 Accepts]: Start accepts. Automaton has 15763 states and 24831 transitions. Word has length 31 [2022-12-14 09:25:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:11,154 INFO L495 AbstractCegarLoop]: Abstraction has 15763 states and 24831 transitions. [2022-12-14 09:25:11,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-14 09:25:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 15763 states and 24831 transitions. [2022-12-14 09:25:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 09:25:11,156 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:11,156 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] [2022-12-14 09:25:11,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:25:11,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:11,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash -750492780, now seen corresponding path program 1 times [2022-12-14 09:25:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:11,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070414439] [2022-12-14 09:25:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:11,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:11,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070414439] [2022-12-14 09:25:11,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070414439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:11,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:11,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:11,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042309131] [2022-12-14 09:25:11,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:11,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:11,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:11,435 INFO L87 Difference]: Start difference. First operand 15763 states and 24831 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) 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) [2022-12-14 09:25:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:12,593 INFO L93 Difference]: Finished difference Result 47158 states and 74265 transitions. [2022-12-14 09:25:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:12,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) 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 [2022-12-14 09:25:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:12,699 INFO L225 Difference]: With dead ends: 47158 [2022-12-14 09:25:12,699 INFO L226 Difference]: Without dead ends: 31396 [2022-12-14 09:25:12,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:12,750 INFO L413 NwaCegarLoop]: 1929 mSDtfsCounter, 1571 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:12,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 3367 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31396 states. [2022-12-14 09:25:13,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31396 to 31379. [2022-12-14 09:25:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31379 states, 21337 states have (on average 1.5243942447391854) internal successors, (32526), 21473 states have internal predecessors, (32526), 8441 states have call successors, (8441), 1601 states have call predecessors, (8441), 1600 states have return successors, (8432), 8368 states have call predecessors, (8432), 8432 states have call successors, (8432) [2022-12-14 09:25:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31379 states to 31379 states and 49399 transitions. [2022-12-14 09:25:13,832 INFO L78 Accepts]: Start accepts. Automaton has 31379 states and 49399 transitions. Word has length 38 [2022-12-14 09:25:13,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:13,832 INFO L495 AbstractCegarLoop]: Abstraction has 31379 states and 49399 transitions. [2022-12-14 09:25:13,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) 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) [2022-12-14 09:25:13,833 INFO L276 IsEmpty]: Start isEmpty. Operand 31379 states and 49399 transitions. [2022-12-14 09:25:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 09:25:13,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:13,834 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] [2022-12-14 09:25:13,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:25:13,834 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:13,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:13,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1314900784, now seen corresponding path program 1 times [2022-12-14 09:25:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:13,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988984586] [2022-12-14 09:25:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:14,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:14,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988984586] [2022-12-14 09:25:14,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988984586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:14,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:14,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:14,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512885393] [2022-12-14 09:25:14,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:14,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:14,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:14,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:14,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:14,098 INFO L87 Difference]: Start difference. First operand 31379 states and 49399 transitions. Second operand has 3 states, 3 states have (on average 8.0) 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) [2022-12-14 09:25:15,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:15,819 INFO L93 Difference]: Finished difference Result 93878 states and 147745 transitions. [2022-12-14 09:25:15,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:15,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) 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 [2022-12-14 09:25:15,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:16,032 INFO L225 Difference]: With dead ends: 93878 [2022-12-14 09:25:16,032 INFO L226 Difference]: Without dead ends: 62500 [2022-12-14 09:25:16,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:16,209 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 1575 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:16,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 3400 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62500 states. [2022-12-14 09:25:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62500 to 62483. [2022-12-14 09:25:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62483 states, 42473 states have (on average 1.5229910766840111) internal successors, (64686), 42737 states have internal predecessors, (64686), 16809 states have call successors, (16809), 3201 states have call predecessors, (16809), 3200 states have return successors, (16800), 16672 states have call predecessors, (16800), 16800 states have call successors, (16800) [2022-12-14 09:25:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62483 states to 62483 states and 98295 transitions. [2022-12-14 09:25:18,313 INFO L78 Accepts]: Start accepts. Automaton has 62483 states and 98295 transitions. Word has length 34 [2022-12-14 09:25:18,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:18,313 INFO L495 AbstractCegarLoop]: Abstraction has 62483 states and 98295 transitions. [2022-12-14 09:25:18,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) 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) [2022-12-14 09:25:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 62483 states and 98295 transitions. [2022-12-14 09:25:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 09:25:18,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:18,315 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] [2022-12-14 09:25:18,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:25:18,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:18,316 INFO L85 PathProgramCache]: Analyzing trace with hash -878323526, now seen corresponding path program 1 times [2022-12-14 09:25:18,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:18,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378183605] [2022-12-14 09:25:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:18,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378183605] [2022-12-14 09:25:18,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378183605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:18,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:18,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:18,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866018635] [2022-12-14 09:25:18,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:18,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:18,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:18,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:18,503 INFO L87 Difference]: Start difference. First operand 62483 states and 98295 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 09:25:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:22,507 INFO L93 Difference]: Finished difference Result 186934 states and 293985 transitions. [2022-12-14 09:25:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:22,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 35 [2022-12-14 09:25:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:22,936 INFO L225 Difference]: With dead ends: 186934 [2022-12-14 09:25:22,936 INFO L226 Difference]: Without dead ends: 124452 [2022-12-14 09:25:23,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:23,159 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 1574 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 3411 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:23,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 3411 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124452 states. [2022-12-14 09:25:26,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124452 to 124435. [2022-12-14 09:25:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124435 states, 84553 states have (on average 1.521578181732168) internal successors, (128654), 85073 states have internal predecessors, (128654), 33481 states have call successors, (33481), 6401 states have call predecessors, (33481), 6400 states have return successors, (33472), 33216 states have call predecessors, (33472), 33472 states have call successors, (33472) [2022-12-14 09:25:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124435 states to 124435 states and 195607 transitions. [2022-12-14 09:25:27,396 INFO L78 Accepts]: Start accepts. Automaton has 124435 states and 195607 transitions. Word has length 35 [2022-12-14 09:25:27,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:27,396 INFO L495 AbstractCegarLoop]: Abstraction has 124435 states and 195607 transitions. [2022-12-14 09:25:27,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 09:25:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 124435 states and 195607 transitions. [2022-12-14 09:25:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 09:25:27,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:27,398 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] [2022-12-14 09:25:27,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:25:27,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:27,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1866216672, now seen corresponding path program 1 times [2022-12-14 09:25:27,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:27,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565988644] [2022-12-14 09:25:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:27,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:27,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565988644] [2022-12-14 09:25:27,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565988644] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:27,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:27,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274444057] [2022-12-14 09:25:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:27,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:27,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:27,662 INFO L87 Difference]: Start difference. First operand 124435 states and 195607 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (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) [2022-12-14 09:25:34,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:34,350 INFO L93 Difference]: Finished difference Result 370742 states and 582593 transitions. [2022-12-14 09:25:34,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:34,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (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 35 [2022-12-14 09:25:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:35,371 INFO L225 Difference]: With dead ends: 370742 [2022-12-14 09:25:35,371 INFO L226 Difference]: Without dead ends: 246308 [2022-12-14 09:25:35,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:35,776 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 1553 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 3407 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:35,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 3407 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:25:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246308 states. [2022-12-14 09:25:44,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246308 to 246291. [2022-12-14 09:25:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246291 states, 167561 states have (on average 1.5217741598582009) internal successors, (254990), 168593 states have internal predecessors, (254990), 65929 states have call successors, (65929), 12801 states have call predecessors, (65929), 12800 states have return successors, (65920), 65408 states have call predecessors, (65920), 65920 states have call successors, (65920) [2022-12-14 09:25:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246291 states to 246291 states and 386839 transitions. [2022-12-14 09:25:45,515 INFO L78 Accepts]: Start accepts. Automaton has 246291 states and 386839 transitions. Word has length 35 [2022-12-14 09:25:45,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:45,515 INFO L495 AbstractCegarLoop]: Abstraction has 246291 states and 386839 transitions. [2022-12-14 09:25:45,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (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) [2022-12-14 09:25:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 246291 states and 386839 transitions. [2022-12-14 09:25:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 09:25:45,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:45,517 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] [2022-12-14 09:25:45,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:25:45,517 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash -154776376, now seen corresponding path program 1 times [2022-12-14 09:25:45,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:45,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665542329] [2022-12-14 09:25:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:45,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:25:45,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:45,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665542329] [2022-12-14 09:25:45,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665542329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:25:45,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:25:45,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:25:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067769145] [2022-12-14 09:25:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:25:45,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:25:45,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:25:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:25:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:25:45,708 INFO L87 Difference]: Start difference. First operand 246291 states and 386839 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-12-14 09:25:58,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:58,398 INFO L93 Difference]: Finished difference Result 736822 states and 1156929 transitions. [2022-12-14 09:25:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:25:58,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 41 [2022-12-14 09:25:58,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:26:00,622 INFO L225 Difference]: With dead ends: 736822 [2022-12-14 09:26:00,622 INFO L226 Difference]: Without dead ends: 490532 [2022-12-14 09:26:01,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:26:01,684 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 1568 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:26:01,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 3434 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:26:02,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490532 states. [2022-12-14 09:26:16,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490532 to 490515. [2022-12-14 09:26:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490515 states, 333577 states have (on average 1.520338632459672) internal successors, (507150), 335633 states have internal predecessors, (507150), 131337 states have call successors, (131337), 25601 states have call predecessors, (131337), 25600 states have return successors, (131328), 130304 states have call predecessors, (131328), 131328 states have call successors, (131328) [2022-12-14 09:26:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490515 states to 490515 states and 769815 transitions. [2022-12-14 09:26:19,727 INFO L78 Accepts]: Start accepts. Automaton has 490515 states and 769815 transitions. Word has length 41 [2022-12-14 09:26:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:26:19,727 INFO L495 AbstractCegarLoop]: Abstraction has 490515 states and 769815 transitions. [2022-12-14 09:26:19,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-12-14 09:26:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 490515 states and 769815 transitions. [2022-12-14 09:26:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 09:26:19,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:26:19,729 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] [2022-12-14 09:26:19,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:26:19,729 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:26:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:26:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash 245039409, now seen corresponding path program 1 times [2022-12-14 09:26:19,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:26:19,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335382099] [2022-12-14 09:26:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:26:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:26:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:26:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:26:19,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:26:19,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335382099] [2022-12-14 09:26:19,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335382099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:26:19,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:26:19,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:26:19,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089675991] [2022-12-14 09:26:19,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:26:19,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:26:19,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:26:19,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:26:19,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:26:19,905 INFO L87 Difference]: Start difference. First operand 490515 states and 769815 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) 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) [2022-12-14 09:26:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:26:48,437 INFO L93 Difference]: Finished difference Result 1467446 states and 2302273 transitions. [2022-12-14 09:26:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:26:48,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) 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 [2022-12-14 09:26:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:26:52,822 INFO L225 Difference]: With dead ends: 1467446 [2022-12-14 09:26:52,823 INFO L226 Difference]: Without dead ends: 976932 [2022-12-14 09:26:55,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:26:55,634 INFO L413 NwaCegarLoop]: 2011 mSDtfsCounter, 1570 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 3449 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:26:55,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 3449 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:26:56,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976932 states. [2022-12-14 09:27:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976932 to 976915. [2022-12-14 09:27:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976915 states, 664073 states have (on average 1.5188902424884012) internal successors, (1008654), 668177 states have internal predecessors, (1008654), 261641 states have call successors, (261641), 51201 states have call predecessors, (261641), 51200 states have return successors, (261632), 259584 states have call predecessors, (261632), 261632 states have call successors, (261632) [2022-12-14 09:27:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976915 states to 976915 states and 1531927 transitions. [2022-12-14 09:27:34,250 INFO L78 Accepts]: Start accepts. Automaton has 976915 states and 1531927 transitions. Word has length 39 [2022-12-14 09:27:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:27:34,251 INFO L495 AbstractCegarLoop]: Abstraction has 976915 states and 1531927 transitions. [2022-12-14 09:27:34,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) 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) [2022-12-14 09:27:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 976915 states and 1531927 transitions. [2022-12-14 09:27:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 09:27:34,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:27:34,252 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] [2022-12-14 09:27:34,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:27:34,253 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:27:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:27:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash -414510085, now seen corresponding path program 1 times [2022-12-14 09:27:34,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:27:34,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801316105] [2022-12-14 09:27:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:27:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:27:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:27:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:27:34,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:27:34,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801316105] [2022-12-14 09:27:34,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801316105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:27:34,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:27:34,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:27:34,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377750770] [2022-12-14 09:27:34,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:27:34,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:27:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:27:34,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:27:34,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:27:34,425 INFO L87 Difference]: Start difference. First operand 976915 states and 1531927 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)