./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/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_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/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_840ab822-59f0-4d76-ab51-cda57669ba21/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 b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf --- 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 10:21:03,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:21:03,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:21:03,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:21:03,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:21:03,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:21:03,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:21:03,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:21:03,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:21:03,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:21:03,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:21:03,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:21:03,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:21:03,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:21:03,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:21:03,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:21:03,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:21:03,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:21:03,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:21:03,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:21:03,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:21:03,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:21:03,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:21:03,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:21:03,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:21:03,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:21:03,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:21:03,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:21:03,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:21:03,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:21:03,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:21:03,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:21:03,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:21:03,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:21:03,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:21:03,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:21:03,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:21:03,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:21:03,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:21:03,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:21:03,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:21:03,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:21:03,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:21:03,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:21:03,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:21:03,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:21:03,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:21:03,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:21:04,000 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:21:04,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:21:04,000 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:21:04,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:21:04,000 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:21:04,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:21:04,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:21:04,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:21:04,001 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:21:04,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:21:04,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:21:04,002 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:21:04,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:21:04,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:21:04,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:21:04,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:21:04,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:21:04,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:21:04,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:21:04,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:21:04,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:21:04,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:21:04,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:21:04,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:21:04,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:21:04,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:21:04,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:21:04,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:21:04,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:21:04,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:21:04,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:21:04,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:21:04,007 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_840ab822-59f0-4d76-ab51-cda57669ba21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2022-12-14 10:21:04,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:21:04,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:21:04,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:21:04,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:21:04,235 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:21:04,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2022-12-14 10:21:06,852 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:21:07,073 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:21:07,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2022-12-14 10:21:07,086 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/data/a409784cb/dbfd0df0e4d94f2ab079c42908f063cd/FLAGe506dd568 [2022-12-14 10:21:07,096 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/data/a409784cb/dbfd0df0e4d94f2ab079c42908f063cd [2022-12-14 10:21:07,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:21:07,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:21:07,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:21:07,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:21:07,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:21:07,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13218918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07, skipping insertion in model container [2022-12-14 10:21:07,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:21:07,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:21:07,410 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 10:21:07,413 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 10:21:07,424 WARN L623 FunctionHandler]: Unknown extern function rdev_get_drvdata [2022-12-14 10:21:07,425 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte [2022-12-14 10:21:07,426 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,428 WARN L623 FunctionHandler]: Unknown extern function rdev_get_drvdata [2022-12-14 10:21:07,429 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte [2022-12-14 10:21:07,429 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,438 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-14 10:21:07,439 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:21:07,440 WARN L623 FunctionHandler]: Unknown extern function regulator_register [2022-12-14 10:21:07,441 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,443 WARN L623 FunctionHandler]: Unknown extern function regulator_unregister [2022-12-14 10:21:07,445 WARN L623 FunctionHandler]: Unknown extern function regulator_unregister [2022-12-14 10:21:07,452 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-14 10:21:07,453 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-14 10:21:07,461 WARN L623 FunctionHandler]: Unknown extern function regulator_list_voltage_linear [2022-12-14 10:21:07,462 WARN L623 FunctionHandler]: Unknown extern function regulator_map_voltage_linear [2022-12-14 10:21:07,463 WARN L623 FunctionHandler]: Unknown extern function regulator_list_voltage_linear [2022-12-14 10:21:07,465 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,466 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 10:21:07,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,471 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_840ab822-59f0-4d76-ab51-cda57669ba21/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2022-12-14 10:21:07,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:21:07,546 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:21:07,594 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 10:21:07,595 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 10:21:07,598 WARN L623 FunctionHandler]: Unknown extern function rdev_get_drvdata [2022-12-14 10:21:07,599 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_read_byte [2022-12-14 10:21:07,599 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,600 WARN L623 FunctionHandler]: Unknown extern function rdev_get_drvdata [2022-12-14 10:21:07,600 WARN L623 FunctionHandler]: Unknown extern function i2c_smbus_write_byte [2022-12-14 10:21:07,601 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,607 WARN L623 FunctionHandler]: Unknown extern function devm_kzalloc [2022-12-14 10:21:07,607 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:21:07,608 WARN L623 FunctionHandler]: Unknown extern function regulator_register [2022-12-14 10:21:07,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:21:07,610 WARN L623 FunctionHandler]: Unknown extern function regulator_unregister [2022-12-14 10:21:07,611 WARN L623 FunctionHandler]: Unknown extern function regulator_unregister [2022-12-14 10:21:07,614 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-14 10:21:07,615 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-14 10:21:07,617 WARN L623 FunctionHandler]: Unknown extern function regulator_list_voltage_linear [2022-12-14 10:21:07,618 WARN L623 FunctionHandler]: Unknown extern function regulator_map_voltage_linear [2022-12-14 10:21:07,619 WARN L623 FunctionHandler]: Unknown extern function regulator_list_voltage_linear [2022-12-14 10:21:07,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,621 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 10:21:07,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,622 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,622 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,622 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,623 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,623 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:21:07,623 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:07,623 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_840ab822-59f0-4d76-ab51-cda57669ba21/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2022-12-14 10:21:07,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:21:07,665 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:21:07,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07 WrapperNode [2022-12-14 10:21:07,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:21:07,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:21:07,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:21:07,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:21:07,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,735 INFO L138 Inliner]: procedures = 99, calls = 345, calls flagged for inlining = 40, calls inlined = 32, statements flattened = 740 [2022-12-14 10:21:07,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:21:07,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:21:07,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:21:07,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:21:07,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:21:07,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:21:07,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:21:07,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:21:07,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (1/1) ... [2022-12-14 10:21:07,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:21:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:21:07,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:21:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:21:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2022-12-14 10:21:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2022-12-14 10:21:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:21:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 10:21:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 10:21:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2022-12-14 10:21:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 10:21:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:21:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2022-12-14 10:21:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2022-12-14 10:21:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2022-12-14 10:21:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:21:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:21:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 10:21:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 10:21:07,998 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:21:08,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:21:08,463 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:21:08,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:21:08,657 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:21:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:21:08 BoogieIcfgContainer [2022-12-14 10:21:08,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:21:08,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:21:08,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:21:08,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:21:08,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:21:07" (1/3) ... [2022-12-14 10:21:08,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7fcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:21:08, skipping insertion in model container [2022-12-14 10:21:08,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:07" (2/3) ... [2022-12-14 10:21:08,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7fcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:21:08, skipping insertion in model container [2022-12-14 10:21:08,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:21:08" (3/3) ... [2022-12-14 10:21:08,668 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2022-12-14 10:21:08,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:21:08,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:21:08,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:21:08,727 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;@382042a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:21:08,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:21:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 81 states have internal predecessors, (114), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-12-14 10:21:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 10:21:08,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:08,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:08,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:08,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1555018551, now seen corresponding path program 1 times [2022-12-14 10:21:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:08,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550622157] [2022-12-14 10:21:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:08,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:09,033 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 10:21:09,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:09,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550622157] [2022-12-14 10:21:09,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550622157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:09,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:09,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:21:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225099874] [2022-12-14 10:21:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:09,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:09,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:09,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:09,063 INFO L87 Difference]: Start difference. First operand has 112 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 81 states have internal predecessors, (114), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:09,496 INFO L93 Difference]: Finished difference Result 320 states and 484 transitions. [2022-12-14 10:21:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:09,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 10:21:09,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:09,505 INFO L225 Difference]: With dead ends: 320 [2022-12-14 10:21:09,505 INFO L226 Difference]: Without dead ends: 207 [2022-12-14 10:21:09,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:09,510 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 133 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:09,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 260 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 10:21:09,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-12-14 10:21:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-12-14 10:21:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 138 states have (on average 1.5) internal successors, (207), 143 states have internal predecessors, (207), 46 states have call successors, (46), 19 states have call predecessors, (46), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-12-14 10:21:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 293 transitions. [2022-12-14 10:21:09,553 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 293 transitions. Word has length 11 [2022-12-14 10:21:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:09,554 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 293 transitions. [2022-12-14 10:21:09,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 293 transitions. [2022-12-14 10:21:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 10:21:09,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:09,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:09,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:21:09,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:09,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2042015667, now seen corresponding path program 1 times [2022-12-14 10:21:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:09,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888081796] [2022-12-14 10:21:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:09,651 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 10:21:09,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:09,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888081796] [2022-12-14 10:21:09,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888081796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:09,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:09,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:21:09,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463686932] [2022-12-14 10:21:09,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:09,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:09,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:09,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:09,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:09,655 INFO L87 Difference]: Start difference. First operand 203 states and 293 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:09,823 INFO L93 Difference]: Finished difference Result 205 states and 294 transitions. [2022-12-14 10:21:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:09,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 10:21:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:09,825 INFO L225 Difference]: With dead ends: 205 [2022-12-14 10:21:09,825 INFO L226 Difference]: Without dead ends: 202 [2022-12-14 10:21:09,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:09,827 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:09,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 119 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:21:09,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-12-14 10:21:09,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2022-12-14 10:21:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 138 states have (on average 1.4927536231884058) internal successors, (206), 142 states have internal predecessors, (206), 45 states have call successors, (45), 19 states have call predecessors, (45), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-12-14 10:21:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 291 transitions. [2022-12-14 10:21:09,853 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 291 transitions. Word has length 13 [2022-12-14 10:21:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:09,854 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 291 transitions. [2022-12-14 10:21:09,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 291 transitions. [2022-12-14 10:21:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:21:09,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:09,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:09,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:21:09,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1121908916, now seen corresponding path program 1 times [2022-12-14 10:21:09,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:09,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525128059] [2022-12-14 10:21:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:09,943 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 10:21:09,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:09,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525128059] [2022-12-14 10:21:09,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525128059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:09,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:09,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:21:09,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49222950] [2022-12-14 10:21:09,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:09,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:09,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:09,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:09,945 INFO L87 Difference]: Start difference. First operand 202 states and 291 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:10,135 INFO L93 Difference]: Finished difference Result 204 states and 292 transitions. [2022-12-14 10:21:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:10,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 10:21:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:10,137 INFO L225 Difference]: With dead ends: 204 [2022-12-14 10:21:10,137 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 10:21:10,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,139 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 142 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:10,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 117 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:21:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 10:21:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-12-14 10:21:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 138 states have (on average 1.4855072463768115) internal successors, (205), 141 states have internal predecessors, (205), 44 states have call successors, (44), 19 states have call predecessors, (44), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-12-14 10:21:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 289 transitions. [2022-12-14 10:21:10,156 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 289 transitions. Word has length 14 [2022-12-14 10:21:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:10,156 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 289 transitions. [2022-12-14 10:21:10,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 289 transitions. [2022-12-14 10:21:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 10:21:10,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:10,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:10,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:21:10,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:10,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:10,158 INFO L85 PathProgramCache]: Analyzing trace with hash 419328048, now seen corresponding path program 1 times [2022-12-14 10:21:10,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:10,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840389151] [2022-12-14 10:21:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:10,206 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 10:21:10,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:10,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840389151] [2022-12-14 10:21:10,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840389151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:10,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:10,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:21:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342645702] [2022-12-14 10:21:10,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:10,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:10,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:10,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:10,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,208 INFO L87 Difference]: Start difference. First operand 201 states and 289 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:10,403 INFO L93 Difference]: Finished difference Result 205 states and 291 transitions. [2022-12-14 10:21:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:10,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 10:21:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:10,405 INFO L225 Difference]: With dead ends: 205 [2022-12-14 10:21:10,405 INFO L226 Difference]: Without dead ends: 201 [2022-12-14 10:21:10,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,407 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 120 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:10,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 123 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:21:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-12-14 10:21:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2022-12-14 10:21:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 138 states have (on average 1.463768115942029) internal successors, (202), 139 states have internal predecessors, (202), 42 states have call successors, (42), 19 states have call predecessors, (42), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-12-14 10:21:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 284 transitions. [2022-12-14 10:21:10,429 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 284 transitions. Word has length 15 [2022-12-14 10:21:10,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:10,429 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 284 transitions. [2022-12-14 10:21:10,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 284 transitions. [2022-12-14 10:21:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 10:21:10,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:10,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:10,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:21:10,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:10,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:10,432 INFO L85 PathProgramCache]: Analyzing trace with hash 114162487, now seen corresponding path program 1 times [2022-12-14 10:21:10,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:10,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396363795] [2022-12-14 10:21:10,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:10,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:10,503 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 10:21:10,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:10,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396363795] [2022-12-14 10:21:10,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396363795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:10,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:10,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:21:10,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634754585] [2022-12-14 10:21:10,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:10,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:10,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,505 INFO L87 Difference]: Start difference. First operand 199 states and 284 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:10,676 INFO L93 Difference]: Finished difference Result 201 states and 285 transitions. [2022-12-14 10:21:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:10,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 10:21:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:10,678 INFO L225 Difference]: With dead ends: 201 [2022-12-14 10:21:10,678 INFO L226 Difference]: Without dead ends: 193 [2022-12-14 10:21:10,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,680 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 134 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:10,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 112 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:21:10,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-12-14 10:21:10,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-12-14 10:21:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.4661654135338347) internal successors, (195), 133 states have internal predecessors, (195), 41 states have call successors, (41), 19 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-12-14 10:21:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 276 transitions. [2022-12-14 10:21:10,703 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 276 transitions. Word has length 16 [2022-12-14 10:21:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:10,703 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 276 transitions. [2022-12-14 10:21:10,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 276 transitions. [2022-12-14 10:21:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 10:21:10,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:10,705 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 10:21:10,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:21:10,706 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:10,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:10,706 INFO L85 PathProgramCache]: Analyzing trace with hash -760599410, now seen corresponding path program 1 times [2022-12-14 10:21:10,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:10,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637752925] [2022-12-14 10:21:10,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:10,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:10,784 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 10:21:10,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:10,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637752925] [2022-12-14 10:21:10,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637752925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:10,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:10,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:21:10,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481259143] [2022-12-14 10:21:10,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:10,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:10,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:10,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:10,787 INFO L87 Difference]: Start difference. First operand 193 states and 276 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:21:11,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:11,081 INFO L93 Difference]: Finished difference Result 397 states and 576 transitions. [2022-12-14 10:21:11,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:11,081 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-12-14 10:21:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:11,083 INFO L225 Difference]: With dead ends: 397 [2022-12-14 10:21:11,083 INFO L226 Difference]: Without dead ends: 205 [2022-12-14 10:21:11,084 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 10:21:11,085 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 75 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:11,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 214 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:21:11,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-12-14 10:21:11,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-12-14 10:21:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 150 states have (on average 1.5066666666666666) internal successors, (226), 150 states have internal predecessors, (226), 37 states have call successors, (37), 18 states have call predecessors, (37), 17 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 10:21:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 299 transitions. [2022-12-14 10:21:11,097 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 299 transitions. Word has length 35 [2022-12-14 10:21:11,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:11,097 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 299 transitions. [2022-12-14 10:21:11,097 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:21:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 299 transitions. [2022-12-14 10:21:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 10:21:11,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:11,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:11,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:21:11,098 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:21:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 142805311, now seen corresponding path program 1 times [2022-12-14 10:21:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:11,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701582928] [2022-12-14 10:21:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:21:11,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:11,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701582928] [2022-12-14 10:21:11,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701582928] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:11,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:11,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:21:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530548977] [2022-12-14 10:21:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:11,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:11,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:11,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:11,191 INFO L87 Difference]: Start difference. First operand 205 states and 299 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:21:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:11,472 INFO L93 Difference]: Finished difference Result 205 states and 299 transitions. [2022-12-14 10:21:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:11,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2022-12-14 10:21:11,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:11,473 INFO L225 Difference]: With dead ends: 205 [2022-12-14 10:21:11,473 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 10:21:11,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 10:21:11,475 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 8 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:11,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 196 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:21:11,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 10:21:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 10:21:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:21:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 10:21:11,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-12-14 10:21:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:11,476 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 10:21:11,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:21:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 10:21:11,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 10:21:11,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 10:21:11,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:21:11,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 10:21:12,007 INFO L899 garLoopResultBuilder]: For program point L2945(lines 2945 2948) no Hoare annotation was computed. [2022-12-14 10:21:12,007 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_mtx_of_isl_pmicEXIT(lines 2942 2952) no Hoare annotation was computed. [2022-12-14 10:21:12,008 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2942 2952) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (= ~ldv_mutex_mtx_of_isl_pmic~0 1) (not (= 1 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2022-12-14 10:21:12,008 INFO L899 garLoopResultBuilder]: For program point L2947-1(lines 2945 2948) no Hoare annotation was computed. [2022-12-14 10:21:12,008 INFO L895 garLoopResultBuilder]: At program point L2947(line 2947) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 1 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2022-12-14 10:21:12,008 INFO L899 garLoopResultBuilder]: For program point L3005-1(lines 3003 3006) no Hoare annotation was computed. [2022-12-14 10:21:12,008 INFO L895 garLoopResultBuilder]: At program point L3005(line 3005) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 2 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2022-12-14 10:21:12,008 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_mtx_of_isl_pmicEXIT(lines 3000 3010) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point L3003(lines 3003 3006) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3000 3010) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= 2 |old(~ldv_mutex_mtx_of_isl_pmic~0)|))) [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point regulator_list_voltage_linearEXIT(lines 3204 3206) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3204 3206) the Hoare annotation is: true [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 3197 3199) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3197 3199) the Hoare annotation is: true [2022-12-14 10:21:12,009 INFO L902 garLoopResultBuilder]: At program point L3162(line 3162) the Hoare annotation is: true [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point L3160(line 3160) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point L3162-1(line 3162) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 3158 3164) no Hoare annotation was computed. [2022-12-14 10:21:12,009 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3158 3164) the Hoare annotation is: true [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 3158 3164) no Hoare annotation was computed. [2022-12-14 10:21:12,010 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 2684 2689) the Hoare annotation is: true [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2687) no Hoare annotation was computed. [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2684 2689) no Hoare annotation was computed. [2022-12-14 10:21:12,010 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3214 3216) the Hoare annotation is: true [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point regulator_unregisterEXIT(lines 3214 3216) no Hoare annotation was computed. [2022-12-14 10:21:12,010 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3190 3192) the Hoare annotation is: true [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 3190 3192) no Hoare annotation was computed. [2022-12-14 10:21:12,010 INFO L899 garLoopResultBuilder]: For program point L2529(lines 2529 2533) no Hoare annotation was computed. [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2678(line 2678) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2678-1(line 2678) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2662(line 2662) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2662-1(line 2662) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2530(line 2530) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,011 INFO L899 garLoopResultBuilder]: For program point L2563(line 2563) no Hoare annotation was computed. [2022-12-14 10:21:12,011 INFO L899 garLoopResultBuilder]: For program point L2530-1(line 2530) no Hoare annotation was computed. [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2679(lines 2675 2682) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,011 INFO L895 garLoopResultBuilder]: At program point L2663(lines 2659 2666) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,011 INFO L899 garLoopResultBuilder]: For program point L2564(lines 2564 2579) no Hoare annotation was computed. [2022-12-14 10:21:12,012 INFO L895 garLoopResultBuilder]: At program point L2366(line 2366) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,012 INFO L899 garLoopResultBuilder]: For program point L2366-1(line 2366) no Hoare annotation was computed. [2022-12-14 10:21:12,012 INFO L899 garLoopResultBuilder]: For program point L3126(lines 3126 3129) no Hoare annotation was computed. [2022-12-14 10:21:12,012 INFO L899 garLoopResultBuilder]: For program point L2499(line 2499) no Hoare annotation was computed. [2022-12-14 10:21:12,012 INFO L895 garLoopResultBuilder]: At program point L2367(lines 2310 2376) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,012 INFO L899 garLoopResultBuilder]: For program point L2549(line 2549) no Hoare annotation was computed. [2022-12-14 10:21:12,012 INFO L895 garLoopResultBuilder]: At program point L2500(lines 2500 2515) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,012 INFO L895 garLoopResultBuilder]: At program point L3128(line 3128) the Hoare annotation is: false [2022-12-14 10:21:12,012 INFO L899 garLoopResultBuilder]: For program point L2550(lines 2550 2554) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L3128-1(lines 3125 3143) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L2567(line 2567) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L895 garLoopResultBuilder]: At program point L2369(lines 2369 2373) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,013 INFO L895 garLoopResultBuilder]: At program point L3212(line 3212) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,013 INFO L895 garLoopResultBuilder]: At program point L3212-1(line 3212) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L2568(lines 2568 2572) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L895 garLoopResultBuilder]: At program point L2535(line 2535) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L2502-2(lines 2500 2514) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L2321(lines 2321 2324) no Hoare annotation was computed. [2022-12-14 10:21:12,013 INFO L899 garLoopResultBuilder]: For program point L2569-1(line 2569) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L895 garLoopResultBuilder]: At program point L2569(line 2569) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,014 INFO L895 garLoopResultBuilder]: At program point L2454(lines 2447 2589) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,014 INFO L899 garLoopResultBuilder]: For program point L2487(line 2487) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L895 garLoopResultBuilder]: At program point L2388(line 2388) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,014 INFO L899 garLoopResultBuilder]: For program point L2388-1(line 2388) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L895 garLoopResultBuilder]: At program point L3132(line 3132) the Hoare annotation is: false [2022-12-14 10:21:12,014 INFO L899 garLoopResultBuilder]: For program point L3132-1(lines 3125 3143) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L899 garLoopResultBuilder]: For program point L2488(lines 2488 2522) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L899 garLoopResultBuilder]: For program point L2257-1(line 2257) no Hoare annotation was computed. [2022-12-14 10:21:12,014 INFO L895 garLoopResultBuilder]: At program point L2257(line 2257) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L2670(line 2670) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L2670-1(line 2670) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,015 INFO L899 garLoopResultBuilder]: For program point L2472(line 2472) no Hoare annotation was computed. [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point $Ultimate##31(lines 2391 2395) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L2274(line 2274) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L899 garLoopResultBuilder]: For program point L2274-1(line 2274) no Hoare annotation was computed. [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L3166(line 3166) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L2654(line 2654) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,015 INFO L895 garLoopResultBuilder]: At program point L3166-1(line 3166) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point L2654-1(line 2654) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point isl6271a_probe_returnLabel#1(lines 2299 2377) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point L2671(lines 2667 2674) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,016 INFO L899 garLoopResultBuilder]: For program point L2473(lines 2473 2478) no Hoare annotation was computed. [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point L2655(lines 2651 2658) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_mtx_of_isl_pmic~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-12-14 10:21:12,016 INFO L899 garLoopResultBuilder]: For program point L2457(line 2457) no Hoare annotation was computed. [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point $Ultimate##19(lines 2355 2359) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,016 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 10:21:12,016 INFO L899 garLoopResultBuilder]: For program point L2524(line 2524) no Hoare annotation was computed. [2022-12-14 10:21:12,016 INFO L899 garLoopResultBuilder]: For program point L2458(lines 2458 2485) no Hoare annotation was computed. [2022-12-14 10:21:12,016 INFO L895 garLoopResultBuilder]: At program point main_ldv_final#1(lines 2447 2589) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2491(line 2491) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L895 garLoopResultBuilder]: At program point L3136(line 3136) the Hoare annotation is: false [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L3136-1(lines 3125 3143) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L895 garLoopResultBuilder]: At program point L2492(lines 2492 2497) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2525(lines 2525 2561) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L895 garLoopResultBuilder]: At program point L2327(lines 2327 2330) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2542(line 2542) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2543(lines 2543 2547) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2345-1(line 2345) no Hoare annotation was computed. [2022-12-14 10:21:12,017 INFO L895 garLoopResultBuilder]: At program point L2345(line 2345) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,017 INFO L899 garLoopResultBuilder]: For program point L2461(line 2461) no Hoare annotation was computed. [2022-12-14 10:21:12,018 INFO L895 garLoopResultBuilder]: At program point L2346(lines 2346 2352) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,018 INFO L899 garLoopResultBuilder]: For program point L2528(line 2528) no Hoare annotation was computed. [2022-12-14 10:21:12,018 INFO L895 garLoopResultBuilder]: At program point L2462(lines 2462 2470) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,018 INFO L895 garLoopResultBuilder]: At program point L3173-1(line 3173) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,018 INFO L895 garLoopResultBuilder]: At program point L3140(line 3140) the Hoare annotation is: false [2022-12-14 10:21:12,018 INFO L895 garLoopResultBuilder]: At program point L3173(line 3173) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_mtx_of_isl_pmic~0 1)) [2022-12-14 10:21:12,018 INFO L902 garLoopResultBuilder]: At program point L3140-1(lines 3123 3144) the Hoare annotation is: true [2022-12-14 10:21:12,018 INFO L899 garLoopResultBuilder]: For program point L3201-1(line 3201) no Hoare annotation was computed. [2022-12-14 10:21:12,018 INFO L899 garLoopResultBuilder]: For program point rdev_get_drvdataEXIT(lines 3200 3202) no Hoare annotation was computed. [2022-12-14 10:21:12,018 INFO L902 garLoopResultBuilder]: At program point L3201(line 3201) the Hoare annotation is: true [2022-12-14 10:21:12,018 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3200 3202) the Hoare annotation is: true [2022-12-14 10:21:12,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2172 2178) the Hoare annotation is: true [2022-12-14 10:21:12,019 INFO L899 garLoopResultBuilder]: For program point IS_ERREXIT(lines 2172 2178) no Hoare annotation was computed. [2022-12-14 10:21:12,021 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:12,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:21:12,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:21:12 BoogieIcfgContainer [2022-12-14 10:21:12,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:21:12,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:21:12,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:21:12,035 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:21:12,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:21:08" (3/4) ... [2022-12-14 10:21:12,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2022-12-14 10:21:12,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-12-14 10:21:12,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2022-12-14 10:21:12,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2022-12-14 10:21:12,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2022-12-14 10:21:12,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2022-12-14 10:21:12,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2022-12-14 10:21:12,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-14 10:21:12,053 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 10:21:12,053 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 10:21:12,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 10:21:12,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 10:21:12,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:21:12,126 INFO L158 Benchmark]: Toolchain (without parser) took 5027.75ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.8MB in the beginning and 56.8MB in the end (delta: 57.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,126 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.42ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 52.0MB in the end (delta: 61.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.14ms. Allocated memory is still 153.1MB. Free memory was 52.0MB in the beginning and 117.7MB in the end (delta: -65.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 112.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: RCFGBuilder took 884.59ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 93.9MB in the end (delta: 18.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: TraceAbstraction took 3371.99ms. Allocated memory is still 184.5MB. Free memory was 92.9MB in the beginning and 70.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,127 INFO L158 Benchmark]: Witness Printer took 91.20ms. Allocated memory is still 184.5MB. Free memory was 70.4MB in the beginning and 56.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 10:21:12,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.42ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 52.0MB in the end (delta: 61.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.14ms. Allocated memory is still 153.1MB. Free memory was 52.0MB in the beginning and 117.7MB in the end (delta: -65.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.18ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 112.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 884.59ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 93.9MB in the end (delta: 18.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3371.99ms. Allocated memory is still 184.5MB. Free memory was 92.9MB in the beginning and 70.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Witness Printer took 91.20ms. Allocated memory is still 184.5MB. Free memory was 70.4MB in the beginning and 56.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 757 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 757 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 821 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=6, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 199 PreInvPairs, 280 NumberOfFragments, 584 HoareAnnotationTreeSize, 199 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 1447 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2492]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2346]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2535]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2327]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2391]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2369]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2659]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2500]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3173]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2355]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3212]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2462]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2667]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_mtx_of_isl_pmic == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 3166]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2310]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2675]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_mtx_of_isl_pmic == 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_mtx_of_isl_pmic == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 10:21:12,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840ab822-59f0-4d76-ab51-cda57669ba21/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE