./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:55:17,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:55:17,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:55:17,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:55:17,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:55:17,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:55:17,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:55:17,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:55:17,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:55:17,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:55:17,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:55:17,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:55:17,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:55:17,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:55:17,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:55:17,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:55:17,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:55:17,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:55:17,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:55:17,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:55:17,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:55:17,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:55:17,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:55:17,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:55:17,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:55:17,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:55:17,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:55:17,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:55:17,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:55:17,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:55:17,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:55:17,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:55:17,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:55:17,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:55:17,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:55:17,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:55:17,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:55:17,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:55:17,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:55:17,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:55:17,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:55:17,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-12-13 16:55:17,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:55:17,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:55:17,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:55:17,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:55:17,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:55:17,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:55:17,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:55:17,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:55:17,644 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:55:17,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:55:17,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:55:17,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:55:17,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:55:17,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:55:17,647 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:55:17,647 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2022-12-13 16:55:17,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:55:17,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:55:17,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:55:17,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:55:17,850 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:55:17,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-12-13 16:55:20,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:55:20,740 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:55:20,740 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-12-13 16:55:20,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/79994df54/22ab5fe857f24c7cb9c07189d2ef50e6/FLAGf898f9988 [2022-12-13 16:55:20,780 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/79994df54/22ab5fe857f24c7cb9c07189d2ef50e6 [2022-12-13 16:55:20,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:55:20,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:55:20,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:55:20,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:55:20,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:55:20,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:55:20" (1/1) ... [2022-12-13 16:55:20,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dec4eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:20, skipping insertion in model container [2022-12-13 16:55:20,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:55:20" (1/1) ... [2022-12-13 16:55:20,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:55:20,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:55:21,381 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:21,383 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:55:21,383 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:55:21,389 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:21,390 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:55:21,391 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:55:21,444 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:21,445 WARN L623 FunctionHandler]: Unknown extern function igrab [2022-12-13 16:55:21,446 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-12-13 16:55:21,447 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-12-13 16:55:21,450 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,450 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:21,451 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,455 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:21,457 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,458 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:21,462 WARN L623 FunctionHandler]: Unknown extern function blkdev_ioctl [2022-12-13 16:55:21,466 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:55:21,467 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:21,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,469 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-12-13 16:55:21,470 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:21,470 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-12-13 16:55:21,471 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:21,472 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:21,473 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:21,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:21,495 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 16:55:21,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:21,499 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 16:55:21,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:21,501 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-13 16:55:21,502 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 16:55:21,503 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-13 16:55:21,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:21,505 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:21,506 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:21,507 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 16:55:21,509 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:21,509 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 16:55:21,510 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:21,519 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:55:21,522 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 16:55:21,524 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-13 16:55:21,526 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:21,527 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:21,527 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:21,528 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:21,529 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:21,529 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:21,530 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 16:55:21,533 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 16:55:21,534 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:21,534 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:21,536 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_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-12-13 16:55:21,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:55:21,600 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-13 16:55:21,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cc2eef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:21, skipping insertion in model container [2022-12-13 16:55:21,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:55:21,601 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 16:55:21,602 INFO L158 Benchmark]: Toolchain (without parser) took 818.02ms. Allocated memory is still 153.1MB. Free memory was 125.5MB in the beginning and 117.0MB in the end (delta: 8.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-12-13 16:55:21,602 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:55:21,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.10ms. Allocated memory is still 153.1MB. Free memory was 125.5MB in the beginning and 117.0MB in the end (delta: 8.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-12-13 16:55:21,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.10ms. Allocated memory is still 153.1MB. Free memory was 125.5MB in the beginning and 117.0MB in the end (delta: 8.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4186]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:55:22,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:55:22,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:55:23,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:55:23,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:55:23,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:55:23,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:55:23,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:55:23,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:55:23,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:55:23,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:55:23,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:55:23,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:55:23,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:55:23,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:55:23,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:55:23,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:55:23,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:55:23,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:55:23,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:55:23,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:55:23,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:55:23,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:55:23,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:55:23,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:55:23,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:55:23,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:55:23,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:55:23,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:55:23,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:55:23,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:55:23,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:55:23,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:55:23,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:55:23,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:55:23,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:55:23,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:55:23,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:55:23,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:55:23,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:55:23,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:55:23,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-12-13 16:55:23,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:55:23,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:55:23,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:55:23,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:55:23,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:55:23,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:55:23,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:55:23,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:55:23,073 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:55:23,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 16:55:23,074 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 16:55:23,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:55:23,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:55:23,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:55:23,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:55:23,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:55:23,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:55:23,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:55:23,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:55:23,077 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2022-12-13 16:55:23,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:55:23,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:55:23,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:55:23,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:55:23,320 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:55:23,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-12-13 16:55:25,859 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:55:26,165 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:55:26,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-12-13 16:55:26,190 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/c9a49b115/8875bb2fc84e45879ada3063b04861d5/FLAGab7196ecc [2022-12-13 16:55:26,204 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/data/c9a49b115/8875bb2fc84e45879ada3063b04861d5 [2022-12-13 16:55:26,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:55:26,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:55:26,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:55:26,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:55:26,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:55:26,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:55:26" (1/1) ... [2022-12-13 16:55:26,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561350c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:26, skipping insertion in model container [2022-12-13 16:55:26,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:55:26" (1/1) ... [2022-12-13 16:55:26,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:55:26,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:55:26,727 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:26,729 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:55:26,729 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:55:26,732 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:26,733 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:55:26,733 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:55:26,766 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,767 WARN L623 FunctionHandler]: Unknown extern function igrab [2022-12-13 16:55:26,767 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-12-13 16:55:26,768 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-12-13 16:55:26,770 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,770 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:26,771 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,774 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,775 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:26,779 WARN L623 FunctionHandler]: Unknown extern function blkdev_ioctl [2022-12-13 16:55:26,782 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:55:26,783 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,784 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,784 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-12-13 16:55:26,785 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,785 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-12-13 16:55:26,786 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,786 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:26,787 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,790 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,791 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,804 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 16:55:26,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,807 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 16:55:26,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,808 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-13 16:55:26,809 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 16:55:26,809 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-13 16:55:26,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,811 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:26,811 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:26,811 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 16:55:26,813 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,814 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 16:55:26,814 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:26,823 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:55:26,825 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 16:55:26,826 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-13 16:55:26,827 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:26,827 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:26,828 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:26,828 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:26,829 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:26,829 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:26,829 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 16:55:26,831 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 16:55:26,832 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:26,832 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:26,834 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_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-12-13 16:55:26,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:55:26,877 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 16:55:26,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:55:26,945 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:26,946 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:55:26,946 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:55:26,946 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:26,947 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:55:26,947 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:55:26,950 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,951 WARN L623 FunctionHandler]: Unknown extern function igrab [2022-12-13 16:55:26,951 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-12-13 16:55:26,952 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-12-13 16:55:26,953 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,954 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:26,954 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,954 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,955 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,956 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:26,965 WARN L623 FunctionHandler]: Unknown extern function blkdev_ioctl [2022-12-13 16:55:26,966 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:55:26,966 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,967 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,967 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-12-13 16:55:26,968 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,968 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-12-13 16:55:26,968 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,969 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:26,969 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,970 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:26,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:26,975 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 16:55:26,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,977 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 16:55:26,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,977 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-13 16:55:26,978 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 16:55:26,978 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-13 16:55:26,979 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:26,980 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:26,980 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:26,981 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 16:55:26,981 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:26,981 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 16:55:26,981 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:26,983 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:55:26,985 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 16:55:26,985 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-13 16:55:26,987 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:26,987 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:26,987 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:26,987 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:26,988 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:26,988 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:26,989 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 16:55:26,990 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 16:55:26,990 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:26,991 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:26,991 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_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-12-13 16:55:26,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:55:27,004 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:55:27,069 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:27,070 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:55:27,070 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:55:27,070 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:55:27,071 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:55:27,071 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:55:27,078 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:27,079 WARN L623 FunctionHandler]: Unknown extern function igrab [2022-12-13 16:55:27,080 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-12-13 16:55:27,081 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-12-13 16:55:27,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,084 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:27,084 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,085 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:27,085 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,086 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-12-13 16:55:27,086 WARN L623 FunctionHandler]: Unknown extern function blkdev_ioctl [2022-12-13 16:55:27,087 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:55:27,088 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:27,088 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,089 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-12-13 16:55:27,089 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:27,090 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-12-13 16:55:27,091 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:27,091 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:27,091 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,092 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:55:27,093 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:55:27,098 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 16:55:27,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:27,100 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 16:55:27,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:27,101 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-13 16:55:27,101 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 16:55:27,102 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-13 16:55:27,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:55:27,104 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 16:55:27,105 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:27,105 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 16:55:27,105 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 16:55:27,106 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 16:55:27,106 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 16:55:27,108 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:55:27,109 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 16:55:27,110 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-13 16:55:27,111 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:27,111 WARN L623 FunctionHandler]: Unknown extern function blkdev_write_iter [2022-12-13 16:55:27,111 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:27,112 WARN L623 FunctionHandler]: Unknown extern function blkdev_read_iter [2022-12-13 16:55:27,112 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:27,112 WARN L623 FunctionHandler]: Unknown extern function blkdev_fsync [2022-12-13 16:55:27,113 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 16:55:27,114 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 16:55:27,115 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:27,115 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 16:55:27,115 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_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-12-13 16:55:27,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:55:27,144 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:55:27,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27 WrapperNode [2022-12-13 16:55:27,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:55:27,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:55:27,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:55:27,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:55:27,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,222 INFO L138 Inliner]: procedures = 122, calls = 417, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 1159 [2022-12-13 16:55:27,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:55:27,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:55:27,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:55:27,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:55:27,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:55:27,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:55:27,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:55:27,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:55:27,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (1/1) ... [2022-12-13 16:55:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:55:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:55:27,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:55:27,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:55:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2022-12-13 16:55:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-12-13 16:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 16:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 16:55:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 16:55:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2022-12-13 16:55:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2022-12-13 16:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 16:55:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 16:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-13 16:55:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-13 16:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2022-12-13 16:55:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2022-12-13 16:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 16:55:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 16:55:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 16:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 16:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 16:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2022-12-13 16:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-12-13 16:55:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 16:55:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 16:55:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 16:55:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 16:55:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 16:55:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-12-13 16:55:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2022-12-13 16:55:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2022-12-13 16:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-13 16:55:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-13 16:55:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-12-13 16:55:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 16:55:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 16:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2022-12-13 16:55:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2022-12-13 16:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:55:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 16:55:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 16:55:27,636 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:55:27,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:55:28,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 16:55:30,199 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:55:30,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:55:30,207 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:55:30,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:55:30 BoogieIcfgContainer [2022-12-13 16:55:30,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:55:30,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:55:30,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:55:30,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:55:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:55:26" (1/3) ... [2022-12-13 16:55:30,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c883d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:55:30, skipping insertion in model container [2022-12-13 16:55:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:55:27" (2/3) ... [2022-12-13 16:55:30,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c883d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:55:30, skipping insertion in model container [2022-12-13 16:55:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:55:30" (3/3) ... [2022-12-13 16:55:30,215 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-12-13 16:55:30,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:55:30,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2022-12-13 16:55:30,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:55:30,275 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@74eeb604, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:55:30,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2022-12-13 16:55:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 621 states, 369 states have (on average 1.6395663956639566) internal successors, (605), 523 states have internal predecessors, (605), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 16:55:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 16:55:30,286 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:55:30,287 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:55:30,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2022-12-13 16:55:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:55:30,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2070355961, now seen corresponding path program 1 times [2022-12-13 16:55:30,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:55:30,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285462687] [2022-12-13 16:55:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:55:30,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:55:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:55:30,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:55:30,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:55:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:55:30,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:55:30,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:55:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 16:55:30,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:55:30,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:55:30,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285462687] [2022-12-13 16:55:30,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285462687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:55:30,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:55:30,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:55:30,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276243928] [2022-12-13 16:55:30,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:55:30,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:55:30,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:55:30,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:55:30,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:55:30,815 INFO L87 Difference]: Start difference. First operand has 621 states, 369 states have (on average 1.6395663956639566) internal successors, (605), 523 states have internal predecessors, (605), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:55:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:55:30,861 INFO L93 Difference]: Finished difference Result 619 states and 754 transitions. [2022-12-13 16:55:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:55:30,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2022-12-13 16:55:30,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:55:30,872 INFO L225 Difference]: With dead ends: 619 [2022-12-13 16:55:30,872 INFO L226 Difference]: Without dead ends: 612 [2022-12-13 16:55:30,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:55:30,875 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:55:30,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:55:30,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2022-12-13 16:55:30,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2022-12-13 16:55:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 366 states have (on average 1.6256830601092895) internal successors, (595), 514 states have internal predecessors, (595), 75 states have call successors, (75), 26 states have call predecessors, (75), 25 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-12-13 16:55:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 743 transitions. [2022-12-13 16:55:30,926 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 743 transitions. Word has length 70 [2022-12-13 16:55:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:55:30,927 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 743 transitions. [2022-12-13 16:55:30,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:55:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 743 transitions. [2022-12-13 16:55:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 16:55:30,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:55:30,928 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:55:30,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:55:31,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:55:31,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2022-12-13 16:55:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:55:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 62987777, now seen corresponding path program 1 times [2022-12-13 16:55:31,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:55:31,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030269611] [2022-12-13 16:55:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:55:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:55:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:55:31,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:55:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebb0f81-c4e7-45d5-932a-ef3c53a39d04/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 16:55:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:55:33,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 16:55:33,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:55:35,231 INFO L321 Elim1Store]: treesize reduction 1811, result has 4.1 percent of original size [2022-12-13 16:55:35,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 32 case distinctions, treesize of input 154 treesize of output 187 [2022-12-13 16:55:36,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2022-12-13 16:55:36,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 16:55:36,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 16:55:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:55:36,671 INFO L321 Elim1Store]: treesize reduction 72, result has 48.2 percent of original size [2022-12-13 16:55:36,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 116 [2022-12-13 16:56:02,083 WARN L233 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 145 DAG size of output: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:56:02,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-12-13 16:56:02,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 16:56:02,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-13 16:56:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:56:03,205 INFO L321 Elim1Store]: treesize reduction 60, result has 48.3 percent of original size [2022-12-13 16:56:03,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 100 [2022-12-13 16:56:46,144 WARN L233 SmtUtils]: Spent 28.59s on a formula simplification. DAG size of input: 135 DAG size of output: 131 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:57:56,055 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 1679 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 16:57:56,056 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:57:56,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 683 treesize of output 3881