./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur --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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- 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-38b53e6 [2022-11-25 23:44:45,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:44:45,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:44:45,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:44:45,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:44:45,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:44:45,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:44:45,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:44:45,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:44:45,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:44:45,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:44:45,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:44:45,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:44:45,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:44:45,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:44:45,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:44:45,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:44:45,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:44:45,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:44:45,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:44:45,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:44:45,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:44:45,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:44:45,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:44:45,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:44:45,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:44:45,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:44:45,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:44:45,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:44:45,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:44:45,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:44:45,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:44:45,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:44:45,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:44:45,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:44:45,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:44:45,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:44:45,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:44:45,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:44:45,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:44:45,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:44:45,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:44:45,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:44:45,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:44:45,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:44:45,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:44:45,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:44:45,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:44:45,805 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:44:45,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:44:45,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:44:45,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:44:45,807 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:44:45,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:44:45,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:44:45,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:44:45,808 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:44:45,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:44:45,809 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:44:45,809 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:44:45,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:44:45,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:44:45,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:44:45,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:44:45,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:44:45,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:44:45,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:44:45,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:44:45,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:44:45,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:44:45,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:44:45,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:44:45,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:44:45,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:44:45,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:44:45,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:44:45,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:44:45,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:44:45,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:44:45,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:44:45,816 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_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2022-11-25 23:44:46,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:44:46,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:44:46,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:44:46,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:44:46,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:44:46,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-25 23:44:49,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:44:49,783 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:44:49,783 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-25 23:44:49,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/data/cad49893b/9d2b049a69424c2892bf1cb128700701/FLAG6b1b3bba1 [2022-11-25 23:44:49,825 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/data/cad49893b/9d2b049a69424c2892bf1cb128700701 [2022-11-25 23:44:49,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:44:49,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:44:49,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:44:49,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:44:49,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:44:49,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:44:49" (1/1) ... [2022-11-25 23:44:49,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c066b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:49, skipping insertion in model container [2022-11-25 23:44:49,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:44:49" (1/1) ... [2022-11-25 23:44:49,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:44:49,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:44:50,559 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:44:50,600 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:44:50,604 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:44:50,616 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:44:50,651 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:50,780 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:50,787 WARN L623 FunctionHandler]: Unknown extern function dlm_lock [2022-11-25 23:44:50,790 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:50,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,807 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:44:50,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,819 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,831 WARN L623 FunctionHandler]: Unknown extern function dlm_unlock [2022-11-25 23:44:50,835 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:50,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,836 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,836 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,840 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:44:50,841 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:44:50,876 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:44:50,878 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,883 WARN L623 FunctionHandler]: Unknown extern function bitmap_copy_from_slot [2022-11-25 23:44:50,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,889 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:44:50,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,910 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:44:50,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,912 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:44:50,916 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:50,922 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:44:50,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,928 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:44:50,928 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:50,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,954 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-11-25 23:44:50,954 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 23:44:50,961 WARN L623 FunctionHandler]: Unknown extern function md_reload_sb [2022-11-25 23:44:50,965 WARN L623 FunctionHandler]: Unknown extern function md_find_rdev_nr_rcu [2022-11-25 23:44:50,966 WARN L623 FunctionHandler]: Unknown extern function md_kick_rdev_from_array [2022-11-25 23:44:50,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,970 WARN L623 FunctionHandler]: Unknown extern function md_find_rdev_nr_rcu [2022-11-25 23:44:50,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:50,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,042 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:44:51,043 WARN L623 FunctionHandler]: Unknown extern function dlm_new_lockspace [2022-11-25 23:44:51,044 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:51,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,047 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:44:51,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,065 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:44:51,068 WARN L623 FunctionHandler]: Unknown extern function dlm_release_lockspace [2022-11-25 23:44:51,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,075 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:44:51,075 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:44:51,077 WARN L623 FunctionHandler]: Unknown extern function dlm_release_lockspace [2022-11-25 23:44:51,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,159 WARN L623 FunctionHandler]: Unknown extern function md_update_sb [2022-11-25 23:44:51,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,163 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:51,169 WARN L623 FunctionHandler]: Unknown extern function bitmap_copy_from_slot [2022-11-25 23:44:51,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,175 WARN L623 FunctionHandler]: Unknown extern function register_md_cluster_operations [2022-11-25 23:44:51,178 WARN L623 FunctionHandler]: Unknown extern function unregister_md_cluster_operations [2022-11-25 23:44:51,189 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:44:51,218 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_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-25 23:44:51,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:51,250 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:51,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:44:51,274 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:44:51,381 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:44:51,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:44:51,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:44:51,385 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:44:51,387 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:51,405 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:51,406 WARN L623 FunctionHandler]: Unknown extern function dlm_lock [2022-11-25 23:44:51,408 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:51,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,417 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:44:51,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,420 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,422 WARN L623 FunctionHandler]: Unknown extern function dlm_unlock [2022-11-25 23:44:51,423 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:51,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,425 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:44:51,429 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:44:51,442 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:44:51,449 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,452 WARN L623 FunctionHandler]: Unknown extern function bitmap_copy_from_slot [2022-11-25 23:44:51,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,454 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:44:51,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,464 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:44:51,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,469 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:44:51,473 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:51,478 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:44:51,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,480 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:44:51,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,490 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-11-25 23:44:51,490 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 23:44:51,496 WARN L623 FunctionHandler]: Unknown extern function md_reload_sb [2022-11-25 23:44:51,497 WARN L623 FunctionHandler]: Unknown extern function md_find_rdev_nr_rcu [2022-11-25 23:44:51,498 WARN L623 FunctionHandler]: Unknown extern function md_kick_rdev_from_array [2022-11-25 23:44:51,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,499 WARN L623 FunctionHandler]: Unknown extern function md_find_rdev_nr_rcu [2022-11-25 23:44:51,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,602 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:44:51,607 WARN L623 FunctionHandler]: Unknown extern function dlm_new_lockspace [2022-11-25 23:44:51,607 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:44:51,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,608 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:44:51,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,624 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:44:51,625 WARN L623 FunctionHandler]: Unknown extern function dlm_release_lockspace [2022-11-25 23:44:51,629 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:44:51,634 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:44:51,634 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:44:51,635 WARN L623 FunctionHandler]: Unknown extern function dlm_release_lockspace [2022-11-25 23:44:51,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,683 WARN L623 FunctionHandler]: Unknown extern function md_update_sb [2022-11-25 23:44:51,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,688 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:44:51,700 WARN L623 FunctionHandler]: Unknown extern function bitmap_copy_from_slot [2022-11-25 23:44:51,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:44:51,704 WARN L623 FunctionHandler]: Unknown extern function register_md_cluster_operations [2022-11-25 23:44:51,705 WARN L623 FunctionHandler]: Unknown extern function unregister_md_cluster_operations [2022-11-25 23:44:51,706 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:44:51,713 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_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-25 23:44:51,719 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:51,720 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:44:51,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:44:51,825 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:44:51,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51 WrapperNode [2022-11-25 23:44:51,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:44:51,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:44:51,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:44:51,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:44:51,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:51,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,001 INFO L138 Inliner]: procedures = 151, calls = 793, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1744 [2022-11-25 23:44:52,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:44:52,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:44:52,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:44:52,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:44:52,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:44:52,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:44:52,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:44:52,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:44:52,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (1/1) ... [2022-11-25 23:44:52,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:44:52,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:44:52,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:44:52,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:44:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2022-11-25 23:44:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2022-11-25 23:44:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2022-11-25 23:44:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2022-11-25 23:44:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:44:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:44:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:44:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:44:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:44:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:44:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:44:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:44:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2022-11-25 23:44:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2022-11-25 23:44:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2022-11-25 23:44:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2022-11-25 23:44:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:44:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:44:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:44:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:44:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:44:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:44:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 23:44:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 23:44:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:44:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:44:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-25 23:44:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-25 23:44:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:44:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:44:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:44:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:44:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:44:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-25 23:44:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-25 23:44:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:44:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:44:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2022-11-25 23:44:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2022-11-25 23:44:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 23:44:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 23:44:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:44:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:44:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:44:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 23:44:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 23:44:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-25 23:44:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-25 23:44:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-25 23:44:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-25 23:44:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:44:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2022-11-25 23:44:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2022-11-25 23:44:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-25 23:44:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-25 23:44:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:44:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:44:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2022-11-25 23:44:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2022-11-25 23:44:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:44:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:44:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2022-11-25 23:44:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2022-11-25 23:44:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:44:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2022-11-25 23:44:52,235 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2022-11-25 23:44:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:44:52,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:44:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:44:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:44:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2022-11-25 23:44:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2022-11-25 23:44:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:44:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:44:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2022-11-25 23:44:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2022-11-25 23:44:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:44:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:44:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:44:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2022-11-25 23:44:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2022-11-25 23:44:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:44:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:44:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:44:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2022-11-25 23:44:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2022-11-25 23:44:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2022-11-25 23:44:52,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2022-11-25 23:44:52,778 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:44:52,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:44:52,974 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:44:54,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:44:54,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:44:54,754 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:44:54,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:44:54 BoogieIcfgContainer [2022-11-25 23:44:54,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:44:54,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:44:54,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:44:54,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:44:54,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:44:49" (1/3) ... [2022-11-25 23:44:54,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d52e1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:44:54, skipping insertion in model container [2022-11-25 23:44:54,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:44:51" (2/3) ... [2022-11-25 23:44:54,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d52e1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:44:54, skipping insertion in model container [2022-11-25 23:44:54,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:44:54" (3/3) ... [2022-11-25 23:44:54,774 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-25 23:44:54,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:44:54,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:44:54,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:44:54,894 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;@7d2d1f69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:44:54,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:44:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 468 states, 299 states have (on average 1.3645484949832776) internal successors, (408), 310 states have internal predecessors, (408), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2022-11-25 23:44:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-25 23:44:54,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:44:54,923 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:44:54,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:44:54,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:44:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1430246001, now seen corresponding path program 1 times [2022-11-25 23:44:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:44:54,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856392785] [2022-11-25 23:44:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:44:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:44:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:44:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 23:44:55,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:44:55,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856392785] [2022-11-25 23:44:55,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856392785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:44:55,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:44:55,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:44:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635784683] [2022-11-25 23:44:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:44:55,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:44:55,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:44:55,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:44:55,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:44:55,903 INFO L87 Difference]: Start difference. First operand has 468 states, 299 states have (on average 1.3645484949832776) internal successors, (408), 310 states have internal predecessors, (408), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 23:44:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:44:56,859 INFO L93 Difference]: Finished difference Result 1316 states and 1887 transitions. [2022-11-25 23:44:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:44:56,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2022-11-25 23:44:56,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:44:56,886 INFO L225 Difference]: With dead ends: 1316 [2022-11-25 23:44:56,886 INFO L226 Difference]: Without dead ends: 869 [2022-11-25 23:44:56,894 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 [2022-11-25 23:44:56,897 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 586 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:44:56,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1291 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:44:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2022-11-25 23:44:57,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 866. [2022-11-25 23:44:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 566 states have (on average 1.3568904593639577) internal successors, (768), 575 states have internal predecessors, (768), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-25 23:44:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1234 transitions. [2022-11-25 23:44:57,029 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1234 transitions. Word has length 146 [2022-11-25 23:44:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:44:57,030 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1234 transitions. [2022-11-25 23:44:57,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 23:44:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1234 transitions. [2022-11-25 23:44:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-25 23:44:57,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:44:57,038 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:44:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:44:57,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:44:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:44:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1616489580, now seen corresponding path program 1 times [2022-11-25 23:44:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:44:57,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742982978] [2022-11-25 23:44:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:44:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:44:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:44:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 23:44:57,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:44:57,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742982978] [2022-11-25 23:44:57,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742982978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:44:57,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:44:57,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:44:57,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051089379] [2022-11-25 23:44:57,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:44:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:44:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:44:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:44:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:44:57,410 INFO L87 Difference]: Start difference. First operand 866 states and 1234 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 23:44:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:44:58,143 INFO L93 Difference]: Finished difference Result 1698 states and 2419 transitions. [2022-11-25 23:44:58,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:44:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2022-11-25 23:44:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:44:58,150 INFO L225 Difference]: With dead ends: 1698 [2022-11-25 23:44:58,150 INFO L226 Difference]: Without dead ends: 865 [2022-11-25 23:44:58,154 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 [2022-11-25 23:44:58,156 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 650 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:44:58,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 582 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:44:58,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-11-25 23:44:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2022-11-25 23:44:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 565 states have (on average 1.352212389380531) internal successors, (764), 574 states have internal predecessors, (764), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-25 23:44:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1230 transitions. [2022-11-25 23:44:58,243 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1230 transitions. Word has length 149 [2022-11-25 23:44:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:44:58,248 INFO L495 AbstractCegarLoop]: Abstraction has 865 states and 1230 transitions. [2022-11-25 23:44:58,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 23:44:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1230 transitions. [2022-11-25 23:44:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-25 23:44:58,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:44:58,265 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:44:58,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:44:58,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:44:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:44:58,271 INFO L85 PathProgramCache]: Analyzing trace with hash -713824847, now seen corresponding path program 1 times [2022-11-25 23:44:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:44:58,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266381864] [2022-11-25 23:44:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:44:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:44:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:44:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-11-25 23:44:58,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:44:58,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266381864] [2022-11-25 23:44:58,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266381864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:44:58,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:44:58,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:44:58,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386889667] [2022-11-25 23:44:58,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:44:58,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:44:58,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:44:58,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:44:58,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:44:58,640 INFO L87 Difference]: Start difference. First operand 865 states and 1230 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:44:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:44:59,362 INFO L93 Difference]: Finished difference Result 1410 states and 1980 transitions. [2022-11-25 23:44:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:44:59,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-11-25 23:44:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:44:59,371 INFO L225 Difference]: With dead ends: 1410 [2022-11-25 23:44:59,372 INFO L226 Difference]: Without dead ends: 1405 [2022-11-25 23:44:59,373 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 [2022-11-25 23:44:59,374 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 384 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:44:59,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1198 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:44:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-11-25 23:44:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1405. [2022-11-25 23:44:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 926 states have (on average 1.3596112311015118) internal successors, (1259), 937 states have internal predecessors, (1259), 359 states have call successors, (359), 120 states have call predecessors, (359), 119 states have return successors, (357), 355 states have call predecessors, (357), 357 states have call successors, (357) [2022-11-25 23:44:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1975 transitions. [2022-11-25 23:44:59,502 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1975 transitions. Word has length 191 [2022-11-25 23:44:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:44:59,504 INFO L495 AbstractCegarLoop]: Abstraction has 1405 states and 1975 transitions. [2022-11-25 23:44:59,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:44:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1975 transitions. [2022-11-25 23:44:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-25 23:44:59,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:44:59,514 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:44:59,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:44:59,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:44:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:44:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1491856612, now seen corresponding path program 1 times [2022-11-25 23:44:59,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:44:59,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853673200] [2022-11-25 23:44:59,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:44:59,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:44:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-11-25 23:45:00,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:00,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853673200] [2022-11-25 23:45:00,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853673200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:00,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:00,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:45:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470941284] [2022-11-25 23:45:01,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:01,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:45:01,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:01,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:45:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:45:01,002 INFO L87 Difference]: Start difference. First operand 1405 states and 1975 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:45:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:02,861 INFO L93 Difference]: Finished difference Result 2265 states and 3232 transitions. [2022-11-25 23:45:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:45:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 207 [2022-11-25 23:45:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:02,876 INFO L225 Difference]: With dead ends: 2265 [2022-11-25 23:45:02,876 INFO L226 Difference]: Without dead ends: 2260 [2022-11-25 23:45:02,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:45:02,884 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 845 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:02,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1303 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:45:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2022-11-25 23:45:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 1949. [2022-11-25 23:45:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1291 states have (on average 1.3632842757552286) internal successors, (1760), 1304 states have internal predecessors, (1760), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2022-11-25 23:45:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2726 transitions. [2022-11-25 23:45:03,037 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2726 transitions. Word has length 207 [2022-11-25 23:45:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:03,038 INFO L495 AbstractCegarLoop]: Abstraction has 1949 states and 2726 transitions. [2022-11-25 23:45:03,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:45:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2726 transitions. [2022-11-25 23:45:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-25 23:45:03,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:03,046 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:03,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:45:03,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:45:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash -170572227, now seen corresponding path program 1 times [2022-11-25 23:45:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:03,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982603529] [2022-11-25 23:45:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-11-25 23:45:03,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:03,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982603529] [2022-11-25 23:45:03,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982603529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:45:03,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628434940] [2022-11-25 23:45:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:03,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:45:03,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:45:03,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:45:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:04,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:45:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:45:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-25 23:45:04,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:45:04,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628434940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:04,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:45:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-25 23:45:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452799960] [2022-11-25 23:45:04,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:04,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:45:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:04,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:45:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:45:04,962 INFO L87 Difference]: Start difference. First operand 1949 states and 2726 transitions. Second operand has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:45:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:07,144 INFO L93 Difference]: Finished difference Result 3904 states and 5483 transitions. [2022-11-25 23:45:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:45:07,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 218 [2022-11-25 23:45:07,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:07,156 INFO L225 Difference]: With dead ends: 3904 [2022-11-25 23:45:07,156 INFO L226 Difference]: Without dead ends: 1955 [2022-11-25 23:45:07,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:45:07,164 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 3 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:07,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2821 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 23:45:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2022-11-25 23:45:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1955. [2022-11-25 23:45:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1297 states have (on average 1.361603700848111) internal successors, (1766), 1310 states have internal predecessors, (1766), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2022-11-25 23:45:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2732 transitions. [2022-11-25 23:45:07,296 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2732 transitions. Word has length 218 [2022-11-25 23:45:07,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:07,296 INFO L495 AbstractCegarLoop]: Abstraction has 1955 states and 2732 transitions. [2022-11-25 23:45:07,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:45:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2732 transitions. [2022-11-25 23:45:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-25 23:45:07,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:07,305 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:07,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:45:07,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:07,524 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:45:07,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash -189823776, now seen corresponding path program 1 times [2022-11-25 23:45:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:07,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008591240] [2022-11-25 23:45:07,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-11-25 23:45:08,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:08,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008591240] [2022-11-25 23:45:08,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008591240] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:45:08,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350795714] [2022-11-25 23:45:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:08,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:08,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:45:08,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:45:08,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_332323c0-4a5f-4021-ac07-e7f9dfc0e5ab/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:45:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:10,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 2291 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 23:45:10,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:45:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 277 proven. 1 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-11-25 23:45:10,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:45:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-11-25 23:45:10,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350795714] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:45:10,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [744620592] [2022-11-25 23:45:10,603 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2022-11-25 23:45:10,604 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:45:10,608 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:45:10,614 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:45:10,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:45:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:45:12,587 INFO L217 Elim1Store]: Index analysis took 1000 ms [2022-11-25 23:47:02,299 WARN L233 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 3129 DAG size of output: 1180 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:47:02,312 INFO L321 Elim1Store]: treesize reduction 20731, result has 12.0 percent of original size [2022-11-25 23:47:02,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 72 select indices, 72 select index equivalence classes, 2578 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 81 case distinctions, treesize of input 397 treesize of output 3060 [2022-11-25 23:47:06,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:17,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:47:17,272 INFO L217 Elim1Store]: Index analysis took 11898 ms [2022-11-25 23:50:46,371 WARN L233 SmtUtils]: Spent 3.48m on a formula simplification. DAG size of input: 4661 DAG size of output: 1880 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:50:46,377 INFO L321 Elim1Store]: treesize reduction 26723, result has 11.7 percent of original size [2022-11-25 23:50:46,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 84 select indices, 84 select index equivalence classes, 2650 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 927 case distinctions, treesize of input 677 treesize of output 4017 [2022-11-25 23:51:08,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 23:51:08,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:51:08,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 6 [2022-11-25 23:51:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:14,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3414 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-25 23:51:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:16,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-25 23:51:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:37,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3414 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-25 23:51:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:38,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-25 23:51:54,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:51:54,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:51:54,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:52:02,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:52:03,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:52:03,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:52:18,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:52:18,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:52:20,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:52:26,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:52:27,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:52:27,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:55:48,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-25 23:55:48,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-25 23:55:48,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-11-25 23:55:48,935 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:55:48,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-25 23:55:48,964 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:55:48,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-25 23:55:48,991 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:55:48,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-25 23:55:49,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-25 23:55:49,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-25 23:55:49,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-25 23:56:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 109 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 55 [2022-11-25 23:56:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 109 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 55 [2022-11-25 23:56:10,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:56:14,748 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:56:14,753 WARN L207 Elim1Store]: Array PQE input equivalent to false