./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--video--console--fbcon.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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/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 cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- 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 [2022-11-26 00:48:34,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:48:34,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:48:34,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:48:34,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:48:34,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:48:34,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:48:34,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:48:34,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:48:34,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:48:34,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:48:34,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:48:34,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:48:34,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:48:34,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:48:34,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:48:34,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:48:34,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:48:34,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:48:34,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:48:34,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:48:34,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:48:34,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:48:34,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:48:35,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:48:35,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:48:35,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:48:35,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:48:35,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:48:35,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:48:35,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:48:35,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:48:35,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:48:35,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:48:35,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:48:35,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:48:35,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:48:35,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:48:35,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:48:35,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:48:35,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:48:35,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:48:35,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:48:35,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:48:35,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:48:35,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:48:35,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:48:35,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:48:35,093 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:48:35,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:48:35,093 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:48:35,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:48:35,095 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:48:35,095 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:48:35,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:48:35,096 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:48:35,096 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:48:35,096 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:48:35,097 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:48:35,097 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:48:35,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:48:35,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:48:35,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:48:35,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:48:35,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:48:35,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:48:35,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:48:35,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:48:35,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:48:35,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:48:35,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:48:35,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:48:35,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:48:35,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:48:35,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:48:35,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:48:35,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:48:35,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:48:35,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:48:35,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:48:35,105 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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2022-11-26 00:48:35,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:48:35,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:48:35,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:48:35,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:48:35,535 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:48:35,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2022-11-26 00:48:38,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:48:39,750 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:48:39,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2022-11-26 00:48:39,795 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/data/554249a64/9774c44377c44045948a222ba8b662d2/FLAGd04264cbf [2022-11-26 00:48:39,816 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/data/554249a64/9774c44377c44045948a222ba8b662d2 [2022-11-26 00:48:39,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:48:39,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:48:39,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:48:39,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:48:39,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:48:39,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:48:39" (1/1) ... [2022-11-26 00:48:39,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ab4a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:39, skipping insertion in model container [2022-11-26 00:48:39,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:48:39" (1/1) ... [2022-11-26 00:48:39,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:48:40,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:48:40,745 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-11-26 00:48:40,941 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:41,198 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:48:41,540 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:41,561 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-11-26 00:48:41,566 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:41,573 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:41,589 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:48:41,590 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:48:41,593 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:48:41,622 WARN L623 FunctionHandler]: Unknown extern function do_take_over_console [2022-11-26 00:48:41,637 WARN L623 FunctionHandler]: Unknown extern function fbcon_set_tileops [2022-11-26 00:48:41,638 WARN L623 FunctionHandler]: Unknown extern function fbcon_set_bitops [2022-11-26 00:48:41,668 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,669 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,669 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:41,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:41,698 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:41,707 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:41,721 WARN L623 FunctionHandler]: Unknown extern function fb_match_mode [2022-11-26 00:48:41,728 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:41,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,741 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:41,743 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:41,743 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:41,748 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:41,758 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:41,759 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:41,760 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:41,764 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:41,767 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-11-26 00:48:41,768 WARN L623 FunctionHandler]: Unknown extern function con_copy_unimap [2022-11-26 00:48:41,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:41,776 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:41,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:41,791 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:41,824 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:41,834 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:41,843 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-11-26 00:48:41,845 WARN L623 FunctionHandler]: Unknown extern function con_copy_unimap [2022-11-26 00:48:41,857 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:41,863 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:41,961 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:41,963 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:41,973 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:41,975 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:41,986 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:41,988 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:42,114 WARN L623 FunctionHandler]: Unknown extern function fb_find_best_mode [2022-11-26 00:48:42,115 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:42,116 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:42,130 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:42,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:42,146 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:42,166 WARN L623 FunctionHandler]: Unknown extern function fb_show_logo [2022-11-26 00:48:42,167 WARN L623 FunctionHandler]: Unknown extern function update_region [2022-11-26 00:48:42,175 WARN L623 FunctionHandler]: Unknown extern function lock_fb_info [2022-11-26 00:48:42,179 WARN L623 FunctionHandler]: Unknown extern function fb_notifier_call_chain [2022-11-26 00:48:42,183 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:42,194 WARN L623 FunctionHandler]: Unknown extern function fb_blank [2022-11-26 00:48:42,195 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:42,243 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:42,244 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:42,246 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,263 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:48:42,266 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:48:42,271 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,281 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:42,282 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:42,288 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:42,292 WARN L623 FunctionHandler]: Unknown extern function fb_default_cmap [2022-11-26 00:48:42,293 WARN L623 FunctionHandler]: Unknown extern function fb_copy_cmap [2022-11-26 00:48:42,293 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-11-26 00:48:42,325 WARN L623 FunctionHandler]: Unknown extern function update_region [2022-11-26 00:48:42,340 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:42,343 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:42,345 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:42,352 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:42,359 WARN L623 FunctionHandler]: Unknown extern function fb_mode_is_equal [2022-11-26 00:48:42,367 WARN L623 FunctionHandler]: Unknown extern function do_unbind_con_driver [2022-11-26 00:48:42,381 WARN L623 FunctionHandler]: Unknown extern function do_unregister_con_driver [2022-11-26 00:48:42,388 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:42,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:42,395 WARN L623 FunctionHandler]: Unknown extern function fb_is_primary_device [2022-11-26 00:48:42,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:42,398 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:42,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:42,414 WARN L623 FunctionHandler]: Unknown extern function do_blank_screen [2022-11-26 00:48:42,415 WARN L623 FunctionHandler]: Unknown extern function do_unblank_screen [2022-11-26 00:48:42,422 WARN L623 FunctionHandler]: Unknown extern function fb_find_nearest_mode [2022-11-26 00:48:42,423 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:42,459 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,462 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:42,462 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,468 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,469 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:42,470 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,475 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,476 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,483 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,484 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,491 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,493 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:42,494 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,505 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-26 00:48:42,507 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-26 00:48:42,508 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,509 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,511 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,514 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:42,522 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,522 WARN L623 FunctionHandler]: Unknown extern function fb_register_client [2022-11-26 00:48:42,524 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:48:42,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:42,526 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,531 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-26 00:48:42,537 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:42,538 WARN L623 FunctionHandler]: Unknown extern function fb_unregister_client [2022-11-26 00:48:42,538 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:48:42,539 WARN L623 FunctionHandler]: Unknown extern function do_unregister_con_driver [2022-11-26 00:48:42,539 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:42,568 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:48:42,592 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:48:42,594 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-26 00:48:42,595 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:48:42,597 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 00:48:42,598 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-26 00:48:42,599 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:48:42,600 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:48:42,602 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:48:42,608 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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2022-11-26 00:48:42,670 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,681 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,682 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,682 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,683 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,685 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,686 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:48:42,773 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:48:42,967 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-11-26 00:48:42,969 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:42,978 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:48:42,994 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:43,000 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-11-26 00:48:43,002 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,004 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,008 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:48:43,009 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:48:43,011 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:48:43,025 WARN L623 FunctionHandler]: Unknown extern function do_take_over_console [2022-11-26 00:48:43,028 WARN L623 FunctionHandler]: Unknown extern function fbcon_set_tileops [2022-11-26 00:48:43,029 WARN L623 FunctionHandler]: Unknown extern function fbcon_set_bitops [2022-11-26 00:48:43,051 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,068 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,070 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:43,076 WARN L623 FunctionHandler]: Unknown extern function fb_match_mode [2022-11-26 00:48:43,079 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:43,094 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,096 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:43,097 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:43,098 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:43,100 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,108 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:43,109 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:43,110 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:43,113 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:43,115 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-11-26 00:48:43,116 WARN L623 FunctionHandler]: Unknown extern function con_copy_unimap [2022-11-26 00:48:43,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,124 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,136 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,141 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:43,163 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:43,166 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:43,168 WARN L623 FunctionHandler]: Unknown extern function con_set_default_unimap [2022-11-26 00:48:43,168 WARN L623 FunctionHandler]: Unknown extern function con_copy_unimap [2022-11-26 00:48:43,170 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,170 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,199 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,200 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,203 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,204 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,210 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,211 WARN L623 FunctionHandler]: Unknown extern function console_conditional_schedule [2022-11-26 00:48:43,249 WARN L623 FunctionHandler]: Unknown extern function fb_find_best_mode [2022-11-26 00:48:43,250 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:43,251 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:43,261 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:43,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,272 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:43,275 WARN L623 FunctionHandler]: Unknown extern function fb_show_logo [2022-11-26 00:48:43,275 WARN L623 FunctionHandler]: Unknown extern function update_region [2022-11-26 00:48:43,279 WARN L623 FunctionHandler]: Unknown extern function lock_fb_info [2022-11-26 00:48:43,285 WARN L623 FunctionHandler]: Unknown extern function fb_notifier_call_chain [2022-11-26 00:48:43,289 WARN L623 FunctionHandler]: Unknown extern function fb_set_var [2022-11-26 00:48:43,292 WARN L623 FunctionHandler]: Unknown extern function fb_blank [2022-11-26 00:48:43,292 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,314 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,320 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,330 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:48:43,332 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:48:43,333 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,335 WARN L623 FunctionHandler]: Unknown extern function get_default_font [2022-11-26 00:48:43,336 WARN L623 FunctionHandler]: Unknown extern function find_font [2022-11-26 00:48:43,339 WARN L623 FunctionHandler]: Unknown extern function fb_get_color_depth [2022-11-26 00:48:43,341 WARN L623 FunctionHandler]: Unknown extern function fb_default_cmap [2022-11-26 00:48:43,343 WARN L623 FunctionHandler]: Unknown extern function fb_copy_cmap [2022-11-26 00:48:43,344 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-11-26 00:48:43,359 WARN L623 FunctionHandler]: Unknown extern function update_region [2022-11-26 00:48:43,368 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,371 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,372 WARN L623 FunctionHandler]: Unknown extern function redraw_screen [2022-11-26 00:48:43,375 WARN L623 FunctionHandler]: Unknown extern function vc_resize [2022-11-26 00:48:43,377 WARN L623 FunctionHandler]: Unknown extern function fb_mode_is_equal [2022-11-26 00:48:43,378 WARN L623 FunctionHandler]: Unknown extern function do_unbind_con_driver [2022-11-26 00:48:43,382 WARN L623 FunctionHandler]: Unknown extern function do_unregister_con_driver [2022-11-26 00:48:43,383 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:43,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,384 WARN L623 FunctionHandler]: Unknown extern function fb_is_primary_device [2022-11-26 00:48:43,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,438 WARN L623 FunctionHandler]: Unknown extern function con_is_bound [2022-11-26 00:48:43,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,441 WARN L623 FunctionHandler]: Unknown extern function do_blank_screen [2022-11-26 00:48:43,441 WARN L623 FunctionHandler]: Unknown extern function do_unblank_screen [2022-11-26 00:48:43,443 WARN L623 FunctionHandler]: Unknown extern function fb_find_nearest_mode [2022-11-26 00:48:43,444 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_var [2022-11-26 00:48:43,457 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,458 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:43,458 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,459 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,459 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:43,460 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,461 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,462 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,463 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,464 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,465 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,465 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:48:43,466 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,469 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-26 00:48:43,470 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-26 00:48:43,470 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,471 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,472 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:48:43,483 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,483 WARN L623 FunctionHandler]: Unknown extern function fb_register_client [2022-11-26 00:48:43,485 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:48:43,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:48:43,489 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,490 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-26 00:48:43,490 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-11-26 00:48:43,491 WARN L623 FunctionHandler]: Unknown extern function fb_unregister_client [2022-11-26 00:48:43,491 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:48:43,491 WARN L623 FunctionHandler]: Unknown extern function do_unregister_con_driver [2022-11-26 00:48:43,492 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-11-26 00:48:43,499 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:48:43,508 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:48:43,509 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-26 00:48:43,513 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:48:43,514 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 00:48:43,514 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-26 00:48:43,515 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:48:43,515 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:48:43,516 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:48:43,518 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_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2022-11-26 00:48:43,524 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,537 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,538 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:48:43,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:48:43,676 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:48:43,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43 WrapperNode [2022-11-26 00:48:43,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:48:43,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:48:43,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:48:43,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:48:43,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:43,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,113 INFO L138 Inliner]: procedures = 251, calls = 2672, calls flagged for inlining = 117, calls inlined = 112, statements flattened = 6513 [2022-11-26 00:48:44,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:48:44,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:48:44,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:48:44,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:48:44,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:48:44,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:48:44,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:48:44,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:48:44,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (1/1) ... [2022-11-26 00:48:44,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:48:44,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:48:44,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:48:44,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:48:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2022-11-26 00:48:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2022-11-26 00:48:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2022-11-26 00:48:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2022-11-26 00:48:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2022-11-26 00:48:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2022-11-26 00:48:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-11-26 00:48:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-11-26 00:48:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2022-11-26 00:48:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2022-11-26 00:48:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2022-11-26 00:48:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2022-11-26 00:48:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2022-11-26 00:48:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2022-11-26 00:48:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2022-11-26 00:48:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2022-11-26 00:48:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:48:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:48:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:48:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:48:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:48:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:48:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:48:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:48:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2022-11-26 00:48:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2022-11-26 00:48:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2022-11-26 00:48:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2022-11-26 00:48:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-26 00:48:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-26 00:48:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2022-11-26 00:48:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2022-11-26 00:48:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2022-11-26 00:48:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2022-11-26 00:48:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-26 00:48:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-26 00:48:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2022-11-26 00:48:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2022-11-26 00:48:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2022-11-26 00:48:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2022-11-26 00:48:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2022-11-26 00:48:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2022-11-26 00:48:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2022-11-26 00:48:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2022-11-26 00:48:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:48:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:48:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2022-11-26 00:48:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2022-11-26 00:48:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2022-11-26 00:48:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2022-11-26 00:48:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2022-11-26 00:48:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2022-11-26 00:48:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:48:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:48:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:48:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:48:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2022-11-26 00:48:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2022-11-26 00:48:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2022-11-26 00:48:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2022-11-26 00:48:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2022-11-26 00:48:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2022-11-26 00:48:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:48:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2022-11-26 00:48:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2022-11-26 00:48:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:48:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2022-11-26 00:48:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2022-11-26 00:48:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:48:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2022-11-26 00:48:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2022-11-26 00:48:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:48:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:48:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2022-11-26 00:48:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2022-11-26 00:48:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:48:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:48:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2022-11-26 00:48:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2022-11-26 00:48:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:48:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:48:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-26 00:48:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-26 00:48:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:48:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:48:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2022-11-26 00:48:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2022-11-26 00:48:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2022-11-26 00:48:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2022-11-26 00:48:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2022-11-26 00:48:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2022-11-26 00:48:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:48:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:48:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:48:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:48:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2022-11-26 00:48:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2022-11-26 00:48:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2022-11-26 00:48:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2022-11-26 00:48:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2022-11-26 00:48:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2022-11-26 00:48:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:48:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2022-11-26 00:48:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2022-11-26 00:48:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:48:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:48:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2022-11-26 00:48:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2022-11-26 00:48:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2022-11-26 00:48:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2022-11-26 00:48:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:48:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:48:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2022-11-26 00:48:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2022-11-26 00:48:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:48:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2022-11-26 00:48:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2022-11-26 00:48:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2022-11-26 00:48:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2022-11-26 00:48:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2022-11-26 00:48:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2022-11-26 00:48:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2022-11-26 00:48:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2022-11-26 00:48:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2022-11-26 00:48:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2022-11-26 00:48:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-26 00:48:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-26 00:48:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:48:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2022-11-26 00:48:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2022-11-26 00:48:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-26 00:48:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-26 00:48:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2022-11-26 00:48:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2022-11-26 00:48:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:48:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2022-11-26 00:48:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2022-11-26 00:48:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:48:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2022-11-26 00:48:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2022-11-26 00:48:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-26 00:48:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-26 00:48:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2022-11-26 00:48:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2022-11-26 00:48:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-26 00:48:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-26 00:48:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:48:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:48:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-26 00:48:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-26 00:48:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2022-11-26 00:48:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2022-11-26 00:48:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-26 00:48:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-26 00:48:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2022-11-26 00:48:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2022-11-26 00:48:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2022-11-26 00:48:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2022-11-26 00:48:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2022-11-26 00:48:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2022-11-26 00:48:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2022-11-26 00:48:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2022-11-26 00:48:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2022-11-26 00:48:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2022-11-26 00:48:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-11-26 00:48:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-11-26 00:48:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:48:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:48:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2022-11-26 00:48:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2022-11-26 00:48:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:48:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2022-11-26 00:48:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2022-11-26 00:48:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2022-11-26 00:48:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2022-11-26 00:48:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-26 00:48:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-26 00:48:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:48:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:48:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:48:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:48:46,340 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:48:46,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:48:49,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:49:18,546 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:49:21,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:49:21,978 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:49:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:49:21 BoogieIcfgContainer [2022-11-26 00:49:21,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:49:21,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:49:21,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:49:21,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:49:21,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:48:39" (1/3) ... [2022-11-26 00:49:21,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686a6576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:49:21, skipping insertion in model container [2022-11-26 00:49:21,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:48:43" (2/3) ... [2022-11-26 00:49:21,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686a6576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:49:21, skipping insertion in model container [2022-11-26 00:49:21,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:49:21" (3/3) ... [2022-11-26 00:49:21,993 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2022-11-26 00:49:22,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:49:22,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:49:22,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:49:22,138 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;@44ac5430, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:49:22,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:49:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 1457 states, 979 states have (on average 1.4208375893769152) internal successors, (1391), 1030 states have internal predecessors, (1391), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) [2022-11-26 00:49:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-11-26 00:49:22,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:22,211 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:22,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:22,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:22,217 INFO L85 PathProgramCache]: Analyzing trace with hash 530586026, now seen corresponding path program 1 times [2022-11-26 00:49:22,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:22,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739336105] [2022-11-26 00:49:22,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:24,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2022-11-26 00:49:24,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:24,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739336105] [2022-11-26 00:49:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739336105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:24,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:24,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:49:24,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329475664] [2022-11-26 00:49:24,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:24,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:49:24,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:24,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:49:24,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:49:24,155 INFO L87 Difference]: Start difference. First operand has 1457 states, 979 states have (on average 1.4208375893769152) internal successors, (1391), 1030 states have internal predecessors, (1391), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-26 00:49:25,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:27,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:29,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:49:32,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:39,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:41,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:42,421 INFO L93 Difference]: Finished difference Result 4084 states and 6132 transitions. [2022-11-26 00:49:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:49:42,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 433 [2022-11-26 00:49:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:42,473 INFO L225 Difference]: With dead ends: 4084 [2022-11-26 00:49:42,473 INFO L226 Difference]: Without dead ends: 2702 [2022-11-26 00:49:42,488 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 [2022-11-26 00:49:42,491 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 1903 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 4182 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:42,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 4182 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 474 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2022-11-26 00:49:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2022-11-26 00:49:42,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2697. [2022-11-26 00:49:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2697 states, 1843 states have (on average 1.4248507867607163) internal successors, (2626), 1925 states have internal predecessors, (2626), 698 states have call successors, (698), 158 states have call predecessors, (698), 155 states have return successors, (696), 671 states have call predecessors, (696), 696 states have call successors, (696) [2022-11-26 00:49:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 4020 transitions. [2022-11-26 00:49:42,766 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 4020 transitions. Word has length 433 [2022-11-26 00:49:42,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:42,773 INFO L495 AbstractCegarLoop]: Abstraction has 2697 states and 4020 transitions. [2022-11-26 00:49:42,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-26 00:49:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 4020 transitions. [2022-11-26 00:49:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-26 00:49:42,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:42,796 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:42,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:49:42,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:42,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash 251718806, now seen corresponding path program 1 times [2022-11-26 00:49:42,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:42,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115890958] [2022-11-26 00:49:42,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:42,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2022-11-26 00:49:44,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:44,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115890958] [2022-11-26 00:49:44,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115890958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:44,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:44,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:49:44,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128917411] [2022-11-26 00:49:44,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:44,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:49:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:49:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:49:44,093 INFO L87 Difference]: Start difference. First operand 2697 states and 4020 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-26 00:49:45,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:47,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:50,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:49:51,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:49:53,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:49:56,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:00,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:02,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:04,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:04,440 INFO L93 Difference]: Finished difference Result 5306 states and 7911 transitions. [2022-11-26 00:50:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:50:04,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 438 [2022-11-26 00:50:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:04,465 INFO L225 Difference]: With dead ends: 5306 [2022-11-26 00:50:04,466 INFO L226 Difference]: Without dead ends: 2698 [2022-11-26 00:50:04,481 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 [2022-11-26 00:50:04,482 INFO L413 NwaCegarLoop]: 1926 mSDtfsCounter, 0 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:04,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3849 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2022-11-26 00:50:04,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-11-26 00:50:04,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2698. [2022-11-26 00:50:04,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1844 states have (on average 1.4246203904555315) internal successors, (2627), 1926 states have internal predecessors, (2627), 698 states have call successors, (698), 158 states have call predecessors, (698), 155 states have return successors, (696), 671 states have call predecessors, (696), 696 states have call successors, (696) [2022-11-26 00:50:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 4021 transitions. [2022-11-26 00:50:04,625 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 4021 transitions. Word has length 438 [2022-11-26 00:50:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:04,628 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 4021 transitions. [2022-11-26 00:50:04,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-26 00:50:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 4021 transitions. [2022-11-26 00:50:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-11-26 00:50:04,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:04,645 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:50:04,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:50:04,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:50:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2147185505, now seen corresponding path program 1 times [2022-11-26 00:50:04,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:04,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105129818] [2022-11-26 00:50:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:04,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4208 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2022-11-26 00:50:05,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:05,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105129818] [2022-11-26 00:50:05,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105129818] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:50:05,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819713378] [2022-11-26 00:50:05,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:05,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:50:05,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:50:05,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:50:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:08,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:50:08,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:50:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4208 trivial. 0 not checked. [2022-11-26 00:50:10,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:50:10,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819713378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:10,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:50:10,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:50:10,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474813010] [2022-11-26 00:50:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:10,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:50:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:10,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:50:10,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:50:10,166 INFO L87 Difference]: Start difference. First operand 2698 states and 4021 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-11-26 00:50:11,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:13,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:16,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:19,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:23,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:25,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:27,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:28,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:28,356 INFO L93 Difference]: Finished difference Result 7737 states and 11560 transitions. [2022-11-26 00:50:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:50:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 439 [2022-11-26 00:50:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:28,396 INFO L225 Difference]: With dead ends: 7737 [2022-11-26 00:50:28,397 INFO L226 Difference]: Without dead ends: 5122 [2022-11-26 00:50:28,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:50:28,415 INFO L413 NwaCegarLoop]: 2353 mSDtfsCounter, 1794 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 4156 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:28,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 4156 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 481 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2022-11-26 00:50:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2022-11-26 00:50:28,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5104. [2022-11-26 00:50:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5104 states, 3516 states have (on average 1.431740614334471) internal successors, (5034), 3675 states have internal predecessors, (5034), 1286 states have call successors, (1286), 308 states have call predecessors, (1286), 301 states have return successors, (1291), 1232 states have call predecessors, (1291), 1283 states have call successors, (1291) [2022-11-26 00:50:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5104 states to 5104 states and 7611 transitions. [2022-11-26 00:50:28,785 INFO L78 Accepts]: Start accepts. Automaton has 5104 states and 7611 transitions. Word has length 439 [2022-11-26 00:50:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:28,788 INFO L495 AbstractCegarLoop]: Abstraction has 5104 states and 7611 transitions. [2022-11-26 00:50:28,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-11-26 00:50:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5104 states and 7611 transitions. [2022-11-26 00:50:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-11-26 00:50:28,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:28,806 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:50:28,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:50:29,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:29,025 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:50:29,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2028091955, now seen corresponding path program 1 times [2022-11-26 00:50:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:29,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274583120] [2022-11-26 00:50:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:29,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:50:29,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533443187] [2022-11-26 00:50:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:29,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:29,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:50:29,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:50:29,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:50:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:31,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 5566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:50:31,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:50:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4209 trivial. 0 not checked. [2022-11-26 00:50:32,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:50:32,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:32,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274583120] [2022-11-26 00:50:32,048 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:50:32,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533443187] [2022-11-26 00:50:32,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533443187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:32,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:50:32,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:50:32,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157872031] [2022-11-26 00:50:32,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:32,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:50:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:50:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:50:32,053 INFO L87 Difference]: Start difference. First operand 5104 states and 7611 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:50:33,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:35,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:37,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:39,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:42,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:44,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:47,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:50:50,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:51,294 INFO L93 Difference]: Finished difference Result 8249 states and 12160 transitions. [2022-11-26 00:50:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:50:51,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 446 [2022-11-26 00:50:51,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:51,350 INFO L225 Difference]: With dead ends: 8249 [2022-11-26 00:50:51,351 INFO L226 Difference]: Without dead ends: 7548 [2022-11-26 00:50:51,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:50:51,360 INFO L413 NwaCegarLoop]: 2238 mSDtfsCounter, 2015 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 3993 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:51,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 3993 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 461 Invalid, 6 Unknown, 0 Unchecked, 19.0s Time] [2022-11-26 00:50:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7548 states. [2022-11-26 00:50:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7548 to 7538. [2022-11-26 00:50:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7538 states, 5202 states have (on average 1.4334871203383315) internal successors, (7457), 5434 states have internal predecessors, (7457), 1875 states have call successors, (1875), 471 states have call predecessors, (1875), 460 states have return successors, (1888), 1795 states have call predecessors, (1888), 1872 states have call successors, (1888) [2022-11-26 00:50:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7538 states to 7538 states and 11220 transitions. [2022-11-26 00:50:51,982 INFO L78 Accepts]: Start accepts. Automaton has 7538 states and 11220 transitions. Word has length 446 [2022-11-26 00:50:51,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:51,984 INFO L495 AbstractCegarLoop]: Abstraction has 7538 states and 11220 transitions. [2022-11-26 00:50:51,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:50:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7538 states and 11220 transitions. [2022-11-26 00:50:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-11-26 00:50:52,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:52,001 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:50:52,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:50:52,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:52,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:50:52,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:52,223 INFO L85 PathProgramCache]: Analyzing trace with hash -57181198, now seen corresponding path program 1 times [2022-11-26 00:50:52,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:52,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799222238] [2022-11-26 00:50:52,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:52,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2022-11-26 00:50:53,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:53,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799222238] [2022-11-26 00:50:53,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799222238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:53,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:50:53,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:50:53,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864488021] [2022-11-26 00:50:53,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:53,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:50:53,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:53,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:50:53,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:50:53,156 INFO L87 Difference]: Start difference. First operand 7538 states and 11220 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-26 00:50:54,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:57,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:59,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:01,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:04,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:07,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:09,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:51:09,615 INFO L93 Difference]: Finished difference Result 18781 states and 27714 transitions. [2022-11-26 00:51:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:51:09,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 446 [2022-11-26 00:51:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:51:09,694 INFO L225 Difference]: With dead ends: 18781 [2022-11-26 00:51:09,694 INFO L226 Difference]: Without dead ends: 11338 [2022-11-26 00:51:09,738 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 [2022-11-26 00:51:09,739 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 1134 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 3878 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:51:09,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 3878 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 528 Invalid, 4 Unknown, 0 Unchecked, 16.1s Time] [2022-11-26 00:51:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11338 states. [2022-11-26 00:51:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11338 to 11310. [2022-11-26 00:51:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11310 states, 7803 states have (on average 1.4303473023196207) internal successors, (11161), 8143 states have internal predecessors, (11161), 2704 states have call successors, (2704), 826 states have call predecessors, (2704), 802 states have return successors, (2732), 2586 states have call predecessors, (2732), 2700 states have call successors, (2732) [2022-11-26 00:51:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11310 states to 11310 states and 16597 transitions. [2022-11-26 00:51:10,419 INFO L78 Accepts]: Start accepts. Automaton has 11310 states and 16597 transitions. Word has length 446 [2022-11-26 00:51:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:51:10,421 INFO L495 AbstractCegarLoop]: Abstraction has 11310 states and 16597 transitions. [2022-11-26 00:51:10,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-26 00:51:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 11310 states and 16597 transitions. [2022-11-26 00:51:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-26 00:51:10,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:51:10,427 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:51:10,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:51:10,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:51:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:51:10,428 INFO L85 PathProgramCache]: Analyzing trace with hash -802977844, now seen corresponding path program 1 times [2022-11-26 00:51:10,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:51:10,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600642339] [2022-11-26 00:51:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:51:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2022-11-26 00:51:11,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:51:11,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600642339] [2022-11-26 00:51:11,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600642339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:51:11,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:51:11,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:51:11,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509218866] [2022-11-26 00:51:11,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:51:11,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:51:11,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:51:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:51:11,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:51:11,220 INFO L87 Difference]: Start difference. First operand 11310 states and 16597 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-26 00:51:12,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:15,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:17,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:20,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:25,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:29,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:51:29,104 INFO L93 Difference]: Finished difference Result 29490 states and 43152 transitions. [2022-11-26 00:51:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:51:29,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 456 [2022-11-26 00:51:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:51:29,216 INFO L225 Difference]: With dead ends: 29490 [2022-11-26 00:51:29,216 INFO L226 Difference]: Without dead ends: 18277 [2022-11-26 00:51:29,277 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 [2022-11-26 00:51:29,277 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 1660 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 4888 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:51:29,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 4888 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 585 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2022-11-26 00:51:29,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18277 states. [2022-11-26 00:51:30,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18277 to 18223. [2022-11-26 00:51:30,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18223 states, 12565 states have (on average 1.424432948666932) internal successors, (17898), 13118 states have internal predecessors, (17898), 4351 states have call successors, (4351), 1340 states have call predecessors, (4351), 1306 states have return successors, (4377), 4150 states have call predecessors, (4377), 4345 states have call successors, (4377) [2022-11-26 00:51:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18223 states to 18223 states and 26626 transitions. [2022-11-26 00:51:30,206 INFO L78 Accepts]: Start accepts. Automaton has 18223 states and 26626 transitions. Word has length 456 [2022-11-26 00:51:30,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:51:30,207 INFO L495 AbstractCegarLoop]: Abstraction has 18223 states and 26626 transitions. [2022-11-26 00:51:30,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-26 00:51:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18223 states and 26626 transitions. [2022-11-26 00:51:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-11-26 00:51:30,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:51:30,227 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:51:30,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:51:30,228 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:51:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:51:30,229 INFO L85 PathProgramCache]: Analyzing trace with hash 48191363, now seen corresponding path program 1 times [2022-11-26 00:51:30,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:51:30,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352661378] [2022-11-26 00:51:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:30,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:51:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4379 trivial. 0 not checked. [2022-11-26 00:51:31,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:51:31,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352661378] [2022-11-26 00:51:31,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352661378] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:51:31,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165963502] [2022-11-26 00:51:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:31,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:51:31,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:51:31,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:51:31,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:51:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:33,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 5132 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:51:33,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:51:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4386 trivial. 0 not checked. [2022-11-26 00:51:33,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:51:33,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165963502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:51:33,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:51:33,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 00:51:33,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764578319] [2022-11-26 00:51:33,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:51:33,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:51:33,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:51:33,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:51:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:51:33,785 INFO L87 Difference]: Start difference. First operand 18223 states and 26626 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-26 00:51:35,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:37,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:39,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:51:42,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:46,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:48,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:51:48,754 INFO L93 Difference]: Finished difference Result 36420 states and 53233 transitions. [2022-11-26 00:51:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:51:48,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 491 [2022-11-26 00:51:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:51:48,865 INFO L225 Difference]: With dead ends: 36420 [2022-11-26 00:51:48,866 INFO L226 Difference]: Without dead ends: 18299 [2022-11-26 00:51:48,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:51:48,953 INFO L413 NwaCegarLoop]: 1929 mSDtfsCounter, 7 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3850 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:51:48,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3850 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 462 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-26 00:51:48,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18299 states. [2022-11-26 00:51:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18299 to 18239. [2022-11-26 00:51:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18239 states, 12581 states have (on average 1.4238931722438597) internal successors, (17914), 13134 states have internal predecessors, (17914), 4351 states have call successors, (4351), 1340 states have call predecessors, (4351), 1306 states have return successors, (4377), 4150 states have call predecessors, (4377), 4345 states have call successors, (4377) [2022-11-26 00:51:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18239 states to 18239 states and 26642 transitions. [2022-11-26 00:51:49,960 INFO L78 Accepts]: Start accepts. Automaton has 18239 states and 26642 transitions. Word has length 491 [2022-11-26 00:51:49,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:51:49,961 INFO L495 AbstractCegarLoop]: Abstraction has 18239 states and 26642 transitions. [2022-11-26 00:51:49,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-26 00:51:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 18239 states and 26642 transitions. [2022-11-26 00:51:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-11-26 00:51:49,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:51:49,980 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:51:50,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:51:50,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:51:50,196 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:51:50,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:51:50,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1338311975, now seen corresponding path program 1 times [2022-11-26 00:51:50,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:51:50,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484502731] [2022-11-26 00:51:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:50,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:51:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4379 trivial. 0 not checked. [2022-11-26 00:51:51,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:51:51,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484502731] [2022-11-26 00:51:51,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484502731] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:51:51,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582156733] [2022-11-26 00:51:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:51,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:51:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:51:51,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:51:51,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4708b89-8a6c-4af2-9197-7db4ea8b4f29/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:51:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:53,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 5138 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:51:53,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:51:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 4217 trivial. 0 not checked. [2022-11-26 00:51:53,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:51:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4379 trivial. 0 not checked. [2022-11-26 00:51:54,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582156733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:51:54,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [960561201] [2022-11-26 00:51:54,145 INFO L159 IcfgInterpreter]: Started Sifa with 163 locations of interest [2022-11-26 00:51:54,145 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:51:54,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:51:54,154 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:51:54,155 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:51:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:58,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:59,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:01,697 INFO L217 Elim1Store]: Index analysis took 3583 ms