./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:18:22,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:18:22,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:18:22,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:18:22,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:18:22,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:18:22,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:18:22,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:18:22,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:18:22,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:18:22,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:18:22,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:18:22,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:18:22,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:18:22,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:18:22,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:18:22,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:18:22,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:18:22,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:18:22,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:18:22,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:18:22,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:18:22,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:18:22,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:18:22,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:18:22,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:18:22,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:18:22,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:18:22,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:18:22,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:18:22,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:18:22,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:18:22,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:18:22,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:18:22,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:18:22,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:18:22,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:18:22,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:18:22,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:18:22,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:18:22,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:18:22,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:18:22,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:18:22,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:18:22,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:18:22,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:18:22,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:18:22,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:18:22,997 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:18:22,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:18:22,997 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:18:22,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:18:22,998 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:18:22,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:18:22,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:18:22,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:18:22,998 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:18:22,998 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:18:22,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:18:22,999 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:18:22,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:18:22,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:18:23,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:18:23,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:18:23,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:18:23,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:18:23,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:18:23,001 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:18:23,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:18:23,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:18:23,002 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:18:23,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:18:23,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:18:23,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:18:23,006 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_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2022-12-14 13:18:23,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:18:23,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:18:23,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:18:23,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:18:23,196 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:18:23,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-12-14 13:18:25,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:18:26,283 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:18:26,283 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-12-14 13:18:26,324 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/data/27dc5d0a8/e831e50f5e8d40c4b9fb8afd07987544/FLAG888a0b886 [2022-12-14 13:18:26,365 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/data/27dc5d0a8/e831e50f5e8d40c4b9fb8afd07987544 [2022-12-14 13:18:26,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:18:26,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:18:26,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:18:26,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:18:26,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:18:26,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:18:26" (1/1) ... [2022-12-14 13:18:26,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b68d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:26, skipping insertion in model container [2022-12-14 13:18:26,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:18:26" (1/1) ... [2022-12-14 13:18:26,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:18:26,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:18:26,989 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:18:27,045 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 13:18:27,154 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:18:27,160 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:18:27,195 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,196 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:18:27,202 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:18:27,264 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,368 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-12-14 13:18:27,374 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-12-14 13:18:27,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,393 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:27,399 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 13:18:27,400 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 13:18:27,402 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 13:18:27,402 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 13:18:27,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,466 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 13:18:27,470 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 13:18:27,474 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:27,477 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:27,477 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:27,478 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,479 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:27,480 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:27,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,561 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,563 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,600 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:27,609 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 13:18:27,610 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 13:18:27,622 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,628 WARN L623 FunctionHandler]: Unknown extern function memory_read_from_buffer [2022-12-14 13:18:27,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,650 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 13:18:27,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,651 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 13:18:27,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,652 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:18:27,652 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 13:18:27,656 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 13:18:27,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,657 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 13:18:27,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,664 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 13:18:27,665 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 13:18:27,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,667 WARN L623 FunctionHandler]: Unknown extern function register_framebuffer [2022-12-14 13:18:27,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,668 WARN L623 FunctionHandler]: Unknown extern function mtrr_add [2022-12-14 13:18:27,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:27,670 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:27,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:27,671 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:27,671 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 13:18:27,671 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 13:18:27,672 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:27,672 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:27,672 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:27,672 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 13:18:27,679 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 13:18:27,680 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 13:18:27,680 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:27,681 WARN L623 FunctionHandler]: Unknown extern function mtrr_del [2022-12-14 13:18:27,681 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 13:18:27,681 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:27,681 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:27,682 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:27,682 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:27,682 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:27,682 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:27,683 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 13:18:27,683 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 13:18:27,683 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 13:18:27,689 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 13:18:27,695 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 13:18:27,736 WARN L623 FunctionHandler]: Unknown extern function ldv_edid1_attr_release_4 [2022-12-14 13:18:27,737 WARN L623 FunctionHandler]: Unknown extern function ldv_edid1_attr_probe_4 [2022-12-14 13:18:27,738 WARN L623 FunctionHandler]: Unknown extern function ldv_edid2_attr_release_3 [2022-12-14 13:18:27,739 WARN L623 FunctionHandler]: Unknown extern function ldv_edid2_attr_probe_3 [2022-12-14 13:18:27,743 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:27,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:27,744 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:27,744 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:27,744 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:27,744 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:27,745 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:27,745 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:27,746 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:27,746 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:27,817 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 13:18:27,822 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 13:18:27,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:27,956 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,957 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,957 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,958 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,958 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,958 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,976 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,990 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,991 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,997 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,998 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,998 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:27,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,000 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,000 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,006 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,007 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,013 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,014 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,014 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,015 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,015 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,015 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,016 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,016 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,016 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,017 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,017 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,018 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,018 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,025 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,025 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,026 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,027 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,036 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,037 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,037 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,038 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,039 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,043 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,076 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,076 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,077 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,078 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,079 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,079 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,085 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,085 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,086 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,086 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,086 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,092 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,093 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,093 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,094 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,094 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,095 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,095 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,096 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,103 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,104 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,106 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,106 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,107 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,107 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,108 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,108 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,123 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,125 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,125 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,127 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,127 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,128 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,129 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,129 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,131 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,132 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,139 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:18:28,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,146 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:18:28,146 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 13:18:28,147 WARN L623 FunctionHandler]: Unknown extern function __pci_complete_power_transition [2022-12-14 13:18:28,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,149 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 13:18:28,149 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 13:18:28,150 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:28,150 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 13:18:28,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,152 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,152 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,153 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:18:28,154 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 13:18:28,161 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-12-14 13:18:28,161 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 13:18:28,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,167 WARN L623 FunctionHandler]: Unknown extern function fb_pan_display [2022-12-14 13:18:28,167 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-12-14 13:18:28,167 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 13:18:28,168 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 13:18:28,168 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 13:18:28,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,171 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,171 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,171 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,172 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,172 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,172 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:28,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,173 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,339 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,340 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,363 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:28,363 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:28,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,388 WARN L623 FunctionHandler]: Unknown extern function fb_parse_edid [2022-12-14 13:18:28,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,392 WARN L623 FunctionHandler]: Unknown extern function fb_edid_to_monspecs [2022-12-14 13:18:28,392 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_modelist [2022-12-14 13:18:28,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,395 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 13:18:28,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,396 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 13:18:28,398 WARN L623 FunctionHandler]: Unknown extern function fb_var_to_videomode [2022-12-14 13:18:28,398 WARN L623 FunctionHandler]: Unknown extern function fb_add_videomode [2022-12-14 13:18:28,406 WARN L623 FunctionHandler]: Unknown extern function fb_validate_mode [2022-12-14 13:18:28,408 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,408 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,408 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,409 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,409 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,409 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:28,410 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,410 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,410 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,410 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,490 WARN L623 FunctionHandler]: Unknown extern function cfb_fillrect [2022-12-14 13:18:28,499 WARN L623 FunctionHandler]: Unknown extern function cfb_copyarea [2022-12-14 13:18:28,501 WARN L623 FunctionHandler]: Unknown extern function cfb_imageblit [2022-12-14 13:18:28,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,508 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,509 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,509 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:28,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,510 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,579 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:18:28,624 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,624 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 13:18:28,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:18:28,625 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 13:18:28,628 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:28,629 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:28,629 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:28,629 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:28,630 WARN L623 FunctionHandler]: Unknown extern function fb_ddc_read [2022-12-14 13:18:28,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:28,635 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,635 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,635 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,635 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,636 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,636 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:28,636 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,716 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:18:28,731 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:28,732 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:28,732 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:28,734 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:28,734 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:28,734 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:28,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,742 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-14 13:18:28,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,743 WARN L623 FunctionHandler]: Unknown extern function fb_bl_default_curve [2022-12-14 13:18:28,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,744 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:28,745 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-14 13:18:28,745 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:28,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:28,746 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,746 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,746 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,747 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,747 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,747 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:28,748 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,748 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:28,748 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,748 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:28,754 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_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-12-14 13:18:28,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:18:28,972 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:18:29,056 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:18:29,057 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 13:18:29,060 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:18:29,061 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:18:29,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,062 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:18:29,063 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:18:29,069 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,070 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,071 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,075 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-12-14 13:18:29,077 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-12-14 13:18:29,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,085 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:29,087 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 13:18:29,088 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 13:18:29,089 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 13:18:29,089 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 13:18:29,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,115 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 13:18:29,117 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 13:18:29,118 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:29,119 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:29,119 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:29,120 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,121 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:29,121 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:29,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,161 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,163 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 13:18:29,164 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 13:18:29,169 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,170 WARN L623 FunctionHandler]: Unknown extern function memory_read_from_buffer [2022-12-14 13:18:29,174 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,174 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 13:18:29,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,174 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 13:18:29,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,175 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:18:29,175 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 13:18:29,177 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 13:18:29,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,177 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 13:18:29,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,180 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,181 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 13:18:29,182 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 13:18:29,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,183 WARN L623 FunctionHandler]: Unknown extern function register_framebuffer [2022-12-14 13:18:29,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,184 WARN L623 FunctionHandler]: Unknown extern function mtrr_add [2022-12-14 13:18:29,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,185 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:29,185 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,185 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,185 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 13:18:29,186 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 13:18:29,186 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:29,186 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:29,186 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:29,186 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 13:18:29,188 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 13:18:29,188 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 13:18:29,188 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:29,188 WARN L623 FunctionHandler]: Unknown extern function mtrr_del [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,190 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 13:18:29,190 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 13:18:29,190 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 13:18:29,191 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 13:18:29,191 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 13:18:29,192 WARN L623 FunctionHandler]: Unknown extern function ldv_edid1_attr_release_4 [2022-12-14 13:18:29,193 WARN L623 FunctionHandler]: Unknown extern function ldv_edid1_attr_probe_4 [2022-12-14 13:18:29,194 WARN L623 FunctionHandler]: Unknown extern function ldv_edid2_attr_release_3 [2022-12-14 13:18:29,194 WARN L623 FunctionHandler]: Unknown extern function ldv_edid2_attr_probe_3 [2022-12-14 13:18:29,197 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,197 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,197 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,197 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,198 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,198 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,198 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,198 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,199 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,199 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,199 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 13:18:29,202 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 13:18:29,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,241 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,242 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,242 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,242 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,242 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,242 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,247 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,248 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,249 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,249 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,250 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,250 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,251 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,251 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,251 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,251 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,252 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,252 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,253 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,253 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,254 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,254 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,254 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,255 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,258 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,258 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,258 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,258 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,261 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,262 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,262 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,262 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,263 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,266 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,267 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,267 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,275 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,275 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,275 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,276 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,277 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,277 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,278 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,278 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,278 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,286 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,286 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,287 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,287 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,288 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,290 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,291 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,292 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:18:29,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,293 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:18:29,293 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 13:18:29,293 WARN L623 FunctionHandler]: Unknown extern function __pci_complete_power_transition [2022-12-14 13:18:29,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,295 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 13:18:29,295 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 13:18:29,296 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:29,296 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 13:18:29,296 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,296 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,297 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,297 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,297 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,298 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,298 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:18:29,299 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 13:18:29,300 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-12-14 13:18:29,300 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 13:18:29,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,305 WARN L623 FunctionHandler]: Unknown extern function fb_pan_display [2022-12-14 13:18:29,305 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-12-14 13:18:29,305 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 13:18:29,306 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 13:18:29,306 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 13:18:29,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,308 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,308 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,308 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,309 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,309 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,342 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,342 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,361 WARN L623 FunctionHandler]: Unknown extern function fb_parse_edid [2022-12-14 13:18:29,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,364 WARN L623 FunctionHandler]: Unknown extern function fb_edid_to_monspecs [2022-12-14 13:18:29,364 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_modelist [2022-12-14 13:18:29,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,367 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 13:18:29,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,368 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 13:18:29,369 WARN L623 FunctionHandler]: Unknown extern function fb_var_to_videomode [2022-12-14 13:18:29,369 WARN L623 FunctionHandler]: Unknown extern function fb_add_videomode [2022-12-14 13:18:29,371 WARN L623 FunctionHandler]: Unknown extern function fb_validate_mode [2022-12-14 13:18:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,378 WARN L623 FunctionHandler]: Unknown extern function cfb_fillrect [2022-12-14 13:18:29,381 WARN L623 FunctionHandler]: Unknown extern function cfb_copyarea [2022-12-14 13:18:29,383 WARN L623 FunctionHandler]: Unknown extern function cfb_imageblit [2022-12-14 13:18:29,388 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,389 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,390 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,391 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:18:29,402 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,402 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 13:18:29,403 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:18:29,404 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 13:18:29,426 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:29,427 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:29,427 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:29,428 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 13:18:29,428 WARN L623 FunctionHandler]: Unknown extern function fb_ddc_read [2022-12-14 13:18:29,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:18:29,432 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,432 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,433 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,433 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,433 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,433 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,433 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,434 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,434 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,434 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,436 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:18:29,438 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 13:18:29,439 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:29,439 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:29,440 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:18:29,441 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 13:18:29,441 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 13:18:29,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,443 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-14 13:18:29,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,444 WARN L623 FunctionHandler]: Unknown extern function fb_bl_default_curve [2022-12-14 13:18:29,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,445 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-14 13:18:29,445 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:18:29,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:18:29,446 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,447 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,447 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,447 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:18:29,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,448 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:18:29,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:18:29,449 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_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-12-14 13:18:29,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:18:29,553 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:18:29,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29 WrapperNode [2022-12-14 13:18:29,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:18:29,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:18:29,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:18:29,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:18:29,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:29,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:29,949 INFO L138 Inliner]: procedures = 348, calls = 6135, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 12204 [2022-12-14 13:18:29,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:18:29,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:18:29,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:18:29,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:18:29,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:29,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:18:30,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:18:30,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:18:30,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:18:30,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (1/1) ... [2022-12-14 13:18:30,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:18:30,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:30,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:18:30,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:18:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-12-14 13:18:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:18:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-12-14 13:18:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-12-14 13:18:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 13:18:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-12-14 13:18:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-12-14 13:18:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 13:18:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-12-14 13:18:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2022-12-14 13:18:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-12-14 13:18:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-12-14 13:18:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:18:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-12-14 13:18:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-12-14 13:18:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-12-14 13:18:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 13:18:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 13:18:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 13:18:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:18:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-12-14 13:18:30,492 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-12-14 13:18:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-12-14 13:18:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-12-14 13:18:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-12-14 13:18:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 13:18:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-12-14 13:18:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-12-14 13:18:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-12-14 13:18:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 13:18:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 13:18:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-12-14 13:18:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:18:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-14 13:18:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-14 13:18:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-12-14 13:18:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-12-14 13:18:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-12-14 13:18:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-12-14 13:18:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-14 13:18:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-14 13:18:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:18:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:18:31,275 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:18:31,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:18:54,056 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:18:58,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:18:58,178 INFO L300 CfgBuilder]: Removed 41 assume(true) statements. [2022-12-14 13:18:58,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:18:58 BoogieIcfgContainer [2022-12-14 13:18:58,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:18:58,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:18:58,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:18:58,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:18:58,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:18:26" (1/3) ... [2022-12-14 13:18:58,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ebeda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:18:58, skipping insertion in model container [2022-12-14 13:18:58,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:18:29" (2/3) ... [2022-12-14 13:18:58,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ebeda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:18:58, skipping insertion in model container [2022-12-14 13:18:58,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:18:58" (3/3) ... [2022-12-14 13:18:58,189 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-12-14 13:18:58,204 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:18:58,204 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:18:58,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:18:58,297 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;@6023b00c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:18:58,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:18:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 3412 states, 1955 states have (on average 1.2383631713554988) internal successors, (2421), 2076 states have internal predecessors, (2421), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) [2022-12-14 13:18:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 13:18:58,314 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:58,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:18:58,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:58,319 INFO L85 PathProgramCache]: Analyzing trace with hash 884600605, now seen corresponding path program 1 times [2022-12-14 13:18:58,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:58,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148402510] [2022-12-14 13:18:58,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:58,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:18:59,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:59,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148402510] [2022-12-14 13:18:59,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148402510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:59,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:18:59,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:18:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520912482] [2022-12-14 13:18:59,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:59,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:18:59,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:18:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:18:59,066 INFO L87 Difference]: Start difference. First operand has 3412 states, 1955 states have (on average 1.2383631713554988) internal successors, (2421), 2076 states have internal predecessors, (2421), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:19:01,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:05,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:08,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:11,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:13,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:14,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:19,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:22,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:24,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:25,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:19:25,630 INFO L93 Difference]: Finished difference Result 9415 states and 14449 transitions. [2022-12-14 13:19:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:19:25,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 13:19:25,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:19:25,704 INFO L225 Difference]: With dead ends: 9415 [2022-12-14 13:19:25,705 INFO L226 Difference]: Without dead ends: 5998 [2022-12-14 13:19:25,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:19:25,784 INFO L413 NwaCegarLoop]: 6682 mSDtfsCounter, 4081 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 11317 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:19:25,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 11317 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 739 Invalid, 7 Unknown, 0 Unchecked, 26.2s Time] [2022-12-14 13:19:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5998 states. [2022-12-14 13:19:26,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5998 to 5995. [2022-12-14 13:19:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5995 states, 3306 states have (on average 1.2229280096793709) internal successors, (4043), 3473 states have internal predecessors, (4043), 2520 states have call successors, (2520), 169 states have call predecessors, (2520), 168 states have return successors, (2514), 2484 states have call predecessors, (2514), 2513 states have call successors, (2514) [2022-12-14 13:19:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5995 states to 5995 states and 9077 transitions. [2022-12-14 13:19:26,341 INFO L78 Accepts]: Start accepts. Automaton has 5995 states and 9077 transitions. Word has length 12 [2022-12-14 13:19:26,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:19:26,342 INFO L495 AbstractCegarLoop]: Abstraction has 5995 states and 9077 transitions. [2022-12-14 13:19:26,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:19:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5995 states and 9077 transitions. [2022-12-14 13:19:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 13:19:26,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:19:26,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:19:26,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:19:26,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:19:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:19:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1103728411, now seen corresponding path program 1 times [2022-12-14 13:19:26,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:19:26,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777084899] [2022-12-14 13:19:26,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:19:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:19:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:19:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:19:26,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:19:26,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777084899] [2022-12-14 13:19:26,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777084899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:19:26,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:19:26,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:19:26,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955590085] [2022-12-14 13:19:26,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:19:26,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:19:26,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:19:26,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:19:26,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:19:26,619 INFO L87 Difference]: Start difference. First operand 5995 states and 9077 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:19:30,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:32,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:35,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:37,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:39,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:41,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:44,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:45,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:47,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:50,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:53,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:19:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:19:54,748 INFO L93 Difference]: Finished difference Result 8618 states and 13032 transitions. [2022-12-14 13:19:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:19:54,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 13:19:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:19:54,808 INFO L225 Difference]: With dead ends: 8618 [2022-12-14 13:19:54,808 INFO L226 Difference]: Without dead ends: 8615 [2022-12-14 13:19:54,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:19:54,816 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 3888 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3889 SdHoareTripleChecker+Valid, 10357 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:19:54,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3889 Valid, 10357 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 8 Unknown, 0 Unchecked, 27.9s Time] [2022-12-14 13:19:54,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8615 states. [2022-12-14 13:19:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8615 to 8610. [2022-12-14 13:19:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8610 states, 4721 states have (on average 1.2205041304808304) internal successors, (5762), 4970 states have internal predecessors, (5762), 3634 states have call successors, (3634), 255 states have call predecessors, (3634), 254 states have return successors, (3629), 3583 states have call predecessors, (3629), 3627 states have call successors, (3629) [2022-12-14 13:19:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 13025 transitions. [2022-12-14 13:19:55,402 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 13025 transitions. Word has length 14 [2022-12-14 13:19:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:19:55,402 INFO L495 AbstractCegarLoop]: Abstraction has 8610 states and 13025 transitions. [2022-12-14 13:19:55,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:19:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 13025 transitions. [2022-12-14 13:19:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 13:19:55,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:19:55,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:19:55,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:19:55,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:19:55,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:19:55,404 INFO L85 PathProgramCache]: Analyzing trace with hash -146605053, now seen corresponding path program 1 times [2022-12-14 13:19:55,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:19:55,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631170564] [2022-12-14 13:19:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:19:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:19:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:19:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:19:55,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:19:55,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631170564] [2022-12-14 13:19:55,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631170564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:19:55,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:19:55,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:19:55,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187049633] [2022-12-14 13:19:55,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:19:55,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:19:55,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:19:55,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:19:55,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:19:55,685 INFO L87 Difference]: Start difference. First operand 8610 states and 13025 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:19:57,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:19:59,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:01,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:03,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:05,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:08,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:10,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:12,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:15,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:17,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:19,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:20:22,892 INFO L93 Difference]: Finished difference Result 8619 states and 13033 transitions. [2022-12-14 13:20:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:20:22,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 13:20:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:20:22,931 INFO L225 Difference]: With dead ends: 8619 [2022-12-14 13:20:22,931 INFO L226 Difference]: Without dead ends: 8616 [2022-12-14 13:20:22,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:20:22,937 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 3885 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 10360 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:20:22,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 10360 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 8 Unknown, 0 Unchecked, 26.9s Time] [2022-12-14 13:20:22,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8616 states. [2022-12-14 13:20:23,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8616 to 8611. [2022-12-14 13:20:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8611 states, 4722 states have (on average 1.2204574332909783) internal successors, (5763), 4971 states have internal predecessors, (5763), 3634 states have call successors, (3634), 255 states have call predecessors, (3634), 254 states have return successors, (3629), 3583 states have call predecessors, (3629), 3627 states have call successors, (3629) [2022-12-14 13:20:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8611 states to 8611 states and 13026 transitions. [2022-12-14 13:20:23,457 INFO L78 Accepts]: Start accepts. Automaton has 8611 states and 13026 transitions. Word has length 15 [2022-12-14 13:20:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:20:23,457 INFO L495 AbstractCegarLoop]: Abstraction has 8611 states and 13026 transitions. [2022-12-14 13:20:23,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:20:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8611 states and 13026 transitions. [2022-12-14 13:20:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 13:20:23,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:20:23,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:20:23,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:20:23,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:20:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:20:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -252231906, now seen corresponding path program 1 times [2022-12-14 13:20:23,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:20:23,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173198400] [2022-12-14 13:20:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:20:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:20:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:20:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:20:23,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:20:23,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173198400] [2022-12-14 13:20:23,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173198400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:20:23,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:20:23,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:20:23,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737112016] [2022-12-14 13:20:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:20:23,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:20:23,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:20:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:20:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:20:23,702 INFO L87 Difference]: Start difference. First operand 8611 states and 13026 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:20:26,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:27,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:29,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:31,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:34,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:36,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:39,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:41,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:44,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:46,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:48,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:50,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:20:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:20:52,118 INFO L93 Difference]: Finished difference Result 8620 states and 13034 transitions. [2022-12-14 13:20:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:20:52,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 13:20:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:20:52,144 INFO L225 Difference]: With dead ends: 8620 [2022-12-14 13:20:52,144 INFO L226 Difference]: Without dead ends: 8617 [2022-12-14 13:20:52,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:20:52,148 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 3882 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 10363 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:20:52,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 10363 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 700 Invalid, 7 Unknown, 0 Unchecked, 28.1s Time] [2022-12-14 13:20:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8617 states. [2022-12-14 13:20:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8617 to 8612. [2022-12-14 13:20:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8612 states, 4723 states have (on average 1.2204107558755029) internal successors, (5764), 4972 states have internal predecessors, (5764), 3634 states have call successors, (3634), 255 states have call predecessors, (3634), 254 states have return successors, (3629), 3583 states have call predecessors, (3629), 3627 states have call successors, (3629) [2022-12-14 13:20:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8612 states to 8612 states and 13027 transitions. [2022-12-14 13:20:52,833 INFO L78 Accepts]: Start accepts. Automaton has 8612 states and 13027 transitions. Word has length 16 [2022-12-14 13:20:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:20:52,833 INFO L495 AbstractCegarLoop]: Abstraction has 8612 states and 13027 transitions. [2022-12-14 13:20:52,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:20:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 8612 states and 13027 transitions. [2022-12-14 13:20:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 13:20:52,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:20:52,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:20:52,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:20:52,835 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:20:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:20:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash 768307814, now seen corresponding path program 1 times [2022-12-14 13:20:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:20:52,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168487339] [2022-12-14 13:20:52,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:20:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:20:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:20:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:20:53,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:20:53,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168487339] [2022-12-14 13:20:53,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168487339] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:20:53,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:20:53,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:20:53,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182811385] [2022-12-14 13:20:53,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:20:53,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:20:53,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:20:53,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:20:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:20:53,117 INFO L87 Difference]: Start difference. First operand 8612 states and 13027 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:20:55,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:20:58,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:00,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:02,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:05,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:07,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:09,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:12,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:14,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:16,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:19,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:22,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:21:22,393 INFO L93 Difference]: Finished difference Result 8823 states and 13307 transitions. [2022-12-14 13:21:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:21:22,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 13:21:22,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:21:22,426 INFO L225 Difference]: With dead ends: 8823 [2022-12-14 13:21:22,426 INFO L226 Difference]: Without dead ends: 8820 [2022-12-14 13:21:22,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:21:22,433 INFO L413 NwaCegarLoop]: 5812 mSDtfsCounter, 4075 mSDsluCounter, 4631 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 10443 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:21:22,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4077 Valid, 10443 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 9 Unknown, 0 Unchecked, 29.0s Time] [2022-12-14 13:21:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8820 states. [2022-12-14 13:21:22,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8820 to 8611. [2022-12-14 13:21:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8611 states, 4723 states have (on average 1.2204107558755029) internal successors, (5764), 4972 states have internal predecessors, (5764), 3631 states have call successors, (3631), 257 states have call predecessors, (3631), 256 states have return successors, (3626), 3580 states have call predecessors, (3626), 3624 states have call successors, (3626) [2022-12-14 13:21:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8611 states to 8611 states and 13021 transitions. [2022-12-14 13:21:23,019 INFO L78 Accepts]: Start accepts. Automaton has 8611 states and 13021 transitions. Word has length 17 [2022-12-14 13:21:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:21:23,020 INFO L495 AbstractCegarLoop]: Abstraction has 8611 states and 13021 transitions. [2022-12-14 13:21:23,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 8611 states and 13021 transitions. [2022-12-14 13:21:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 13:21:23,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:21:23,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:21:23,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:21:23,021 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:21:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:21:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1954694367, now seen corresponding path program 1 times [2022-12-14 13:21:23,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:21:23,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563971062] [2022-12-14 13:21:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:21:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:21:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:21:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:21:23,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:21:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563971062] [2022-12-14 13:21:23,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563971062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:21:23,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:21:23,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:21:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762096938] [2022-12-14 13:21:23,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:21:23,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:21:23,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:21:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:21:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:21:23,251 INFO L87 Difference]: Start difference. First operand 8611 states and 13021 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:26,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:28,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:32,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:35,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:37,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:40,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:41,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:43,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:45,775 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 [] [2022-12-14 13:21:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:21:48,470 INFO L93 Difference]: Finished difference Result 11196 states and 16938 transitions. [2022-12-14 13:21:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:21:48,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 13:21:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:21:48,509 INFO L225 Difference]: With dead ends: 11196 [2022-12-14 13:21:48,510 INFO L226 Difference]: Without dead ends: 11187 [2022-12-14 13:21:48,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:21:48,516 INFO L413 NwaCegarLoop]: 5782 mSDtfsCounter, 3902 mSDsluCounter, 4627 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 10409 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:21:48,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3903 Valid, 10409 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 699 Invalid, 7 Unknown, 0 Unchecked, 24.9s Time] [2022-12-14 13:21:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11187 states. [2022-12-14 13:21:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11187 to 11178. [2022-12-14 13:21:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11178 states, 6111 states have (on average 1.2196039927998692) internal successors, (7453), 6440 states have internal predecessors, (7453), 4735 states have call successors, (4735), 332 states have call predecessors, (4735), 331 states have return successors, (4731), 4669 states have call predecessors, (4731), 4728 states have call successors, (4731) [2022-12-14 13:21:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11178 states to 11178 states and 16919 transitions. [2022-12-14 13:21:49,361 INFO L78 Accepts]: Start accepts. Automaton has 11178 states and 16919 transitions. Word has length 18 [2022-12-14 13:21:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:21:49,361 INFO L495 AbstractCegarLoop]: Abstraction has 11178 states and 16919 transitions. [2022-12-14 13:21:49,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:21:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 11178 states and 16919 transitions. [2022-12-14 13:21:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2022-12-14 13:21:49,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:21:49,400 INFO L195 NwaCegarLoop]: trace histogram [45, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:21:49,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:21:49,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:21:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:21:49,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1913510188, now seen corresponding path program 1 times [2022-12-14 13:21:49,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:21:49,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168637435] [2022-12-14 13:21:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:21:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:21:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:21:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2022-12-14 13:21:50,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:21:50,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168637435] [2022-12-14 13:21:50,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168637435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:21:50,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:21:50,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:21:50,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053461614] [2022-12-14 13:21:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:21:50,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:21:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:21:50,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:21:50,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:21:50,414 INFO L87 Difference]: Start difference. First operand 11178 states and 16919 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 13:21:51,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:54,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:21:55,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:56,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:21:58,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:00,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:03,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:05,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:07,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:10,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:12,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:14,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:16,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:22:18,160 INFO L93 Difference]: Finished difference Result 22085 states and 33279 transitions. [2022-12-14 13:22:18,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:22:18,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 555 [2022-12-14 13:22:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:22:18,193 INFO L225 Difference]: With dead ends: 22085 [2022-12-14 13:22:18,193 INFO L226 Difference]: Without dead ends: 10908 [2022-12-14 13:22:18,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:22:18,231 INFO L413 NwaCegarLoop]: 4841 mSDtfsCounter, 832 mSDsluCounter, 4621 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 9462 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:22:18,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 9462 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 717 Invalid, 8 Unknown, 0 Unchecked, 27.3s Time] [2022-12-14 13:22:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10908 states. [2022-12-14 13:22:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10908 to 10879. [2022-12-14 13:22:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10879 states, 6181 states have (on average 1.2535188480828345) internal successors, (7748), 6491 states have internal predecessors, (7748), 4287 states have call successors, (4287), 411 states have call predecessors, (4287), 410 states have return successors, (4286), 4224 states have call predecessors, (4286), 4280 states have call successors, (4286) [2022-12-14 13:22:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10879 states to 10879 states and 16321 transitions. [2022-12-14 13:22:18,866 INFO L78 Accepts]: Start accepts. Automaton has 10879 states and 16321 transitions. Word has length 555 [2022-12-14 13:22:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:22:18,867 INFO L495 AbstractCegarLoop]: Abstraction has 10879 states and 16321 transitions. [2022-12-14 13:22:18,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 13:22:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10879 states and 16321 transitions. [2022-12-14 13:22:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2022-12-14 13:22:18,890 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:22:18,906 INFO L195 NwaCegarLoop]: trace histogram [45, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:22:18,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 13:22:18,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:22:18,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:22:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash 811717822, now seen corresponding path program 1 times [2022-12-14 13:22:18,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:22:18,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121339261] [2022-12-14 13:22:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:22:18,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:22:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:22:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2022-12-14 13:22:20,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:22:20,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121339261] [2022-12-14 13:22:20,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121339261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:22:20,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:22:20,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:22:20,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211585107] [2022-12-14 13:22:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:22:20,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:22:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:22:20,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:22:20,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:22:20,232 INFO L87 Difference]: Start difference. First operand 10879 states and 16321 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 13:22:22,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:26,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:28,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:30,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:33,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:35,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:37,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:40,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:42,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:44,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:22:46,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:47,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:22:49,752 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 [] [2022-12-14 13:22:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:22:50,945 INFO L93 Difference]: Finished difference Result 18168 states and 27277 transitions. [2022-12-14 13:22:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:22:50,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 564 [2022-12-14 13:22:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:22:50,995 INFO L225 Difference]: With dead ends: 18168 [2022-12-14 13:22:50,995 INFO L226 Difference]: Without dead ends: 11016 [2022-12-14 13:22:51,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:22:51,015 INFO L413 NwaCegarLoop]: 4679 mSDtfsCounter, 47 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 6 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 9316 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:22:51,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 9316 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 714 Invalid, 10 Unknown, 0 Unchecked, 30.4s Time] [2022-12-14 13:22:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11016 states. [2022-12-14 13:22:51,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11016 to 10885. [2022-12-14 13:22:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10885 states, 6187 states have (on average 1.2532729917569096) internal successors, (7754), 6497 states have internal predecessors, (7754), 4287 states have call successors, (4287), 411 states have call predecessors, (4287), 410 states have return successors, (4286), 4224 states have call predecessors, (4286), 4280 states have call successors, (4286) [2022-12-14 13:22:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10885 states to 10885 states and 16327 transitions. [2022-12-14 13:22:51,638 INFO L78 Accepts]: Start accepts. Automaton has 10885 states and 16327 transitions. Word has length 564 [2022-12-14 13:22:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:22:51,638 INFO L495 AbstractCegarLoop]: Abstraction has 10885 states and 16327 transitions. [2022-12-14 13:22:51,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 13:22:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10885 states and 16327 transitions. [2022-12-14 13:22:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-12-14 13:22:51,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:22:51,655 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:22:51,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 13:22:51,655 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:22:51,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:22:51,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1316314066, now seen corresponding path program 1 times [2022-12-14 13:22:51,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:22:51,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157755981] [2022-12-14 13:22:51,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:22:51,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:22:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:22:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:22:53,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:22:53,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157755981] [2022-12-14 13:22:53,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157755981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:22:53,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:22:53,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:22:53,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109830119] [2022-12-14 13:22:53,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:22:53,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:22:53,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:22:53,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:22:53,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:22:53,004 INFO L87 Difference]: Start difference. First operand 10885 states and 16327 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:23:00,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:02,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:05,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:08,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:11,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:14,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:16,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:19,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:21,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:23,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:23:23,275 INFO L93 Difference]: Finished difference Result 17984 states and 27014 transitions. [2022-12-14 13:23:23,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 13:23:23,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 579 [2022-12-14 13:23:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:23:23,309 INFO L225 Difference]: With dead ends: 17984 [2022-12-14 13:23:23,309 INFO L226 Difference]: Without dead ends: 10977 [2022-12-14 13:23:23,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:23:23,331 INFO L413 NwaCegarLoop]: 4735 mSDtfsCounter, 172 mSDsluCounter, 9240 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 45 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 13975 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:23:23,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 13975 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1056 Invalid, 6 Unknown, 0 Unchecked, 29.9s Time] [2022-12-14 13:23:23,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10977 states. [2022-12-14 13:23:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10977 to 10887. [2022-12-14 13:23:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10887 states, 6189 states have (on average 1.2531911455808693) internal successors, (7756), 6499 states have internal predecessors, (7756), 4287 states have call successors, (4287), 411 states have call predecessors, (4287), 410 states have return successors, (4286), 4224 states have call predecessors, (4286), 4280 states have call successors, (4286) [2022-12-14 13:23:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10887 states to 10887 states and 16329 transitions. [2022-12-14 13:23:23,966 INFO L78 Accepts]: Start accepts. Automaton has 10887 states and 16329 transitions. Word has length 579 [2022-12-14 13:23:23,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:23:23,967 INFO L495 AbstractCegarLoop]: Abstraction has 10887 states and 16329 transitions. [2022-12-14 13:23:23,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:23:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 10887 states and 16329 transitions. [2022-12-14 13:23:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-12-14 13:23:24,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:23:24,007 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:23:24,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 13:23:24,008 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:23:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:23:24,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1003541877, now seen corresponding path program 1 times [2022-12-14 13:23:24,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:23:24,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361469814] [2022-12-14 13:23:24,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:23:24,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:23:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:23:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:23:24,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:23:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361469814] [2022-12-14 13:23:24,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361469814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:23:24,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:23:24,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:23:24,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691048295] [2022-12-14 13:23:24,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:23:24,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:23:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:23:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:23:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:23:24,879 INFO L87 Difference]: Start difference. First operand 10887 states and 16329 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:23:27,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:28,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:30,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:32,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:34,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:36,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:39,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:42,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:45,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:47,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:23:51,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:52,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:23:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:23:54,211 INFO L93 Difference]: Finished difference Result 17905 states and 26890 transitions. [2022-12-14 13:23:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:23:54,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 583 [2022-12-14 13:23:54,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:23:54,249 INFO L225 Difference]: With dead ends: 17905 [2022-12-14 13:23:54,250 INFO L226 Difference]: Without dead ends: 10896 [2022-12-14 13:23:54,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:23:54,274 INFO L413 NwaCegarLoop]: 4641 mSDtfsCounter, 8 mSDsluCounter, 4629 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9270 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:23:54,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9270 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 702 Invalid, 8 Unknown, 0 Unchecked, 29.0s Time] [2022-12-14 13:23:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10896 states. [2022-12-14 13:23:54,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10896 to 10889. [2022-12-14 13:23:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10889 states, 6191 states have (on average 1.2531093522855759) internal successors, (7758), 6501 states have internal predecessors, (7758), 4287 states have call successors, (4287), 411 states have call predecessors, (4287), 410 states have return successors, (4286), 4224 states have call predecessors, (4286), 4280 states have call successors, (4286) [2022-12-14 13:23:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10889 states to 10889 states and 16331 transitions. [2022-12-14 13:23:54,930 INFO L78 Accepts]: Start accepts. Automaton has 10889 states and 16331 transitions. Word has length 583 [2022-12-14 13:23:54,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:23:54,931 INFO L495 AbstractCegarLoop]: Abstraction has 10889 states and 16331 transitions. [2022-12-14 13:23:54,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:23:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10889 states and 16331 transitions. [2022-12-14 13:23:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-12-14 13:23:54,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:23:54,949 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:23:54,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 13:23:54,949 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:23:54,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:23:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash -651947051, now seen corresponding path program 1 times [2022-12-14 13:23:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:23:54,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375967810] [2022-12-14 13:23:54,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:23:54,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:23:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:23:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:23:55,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:23:55,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375967810] [2022-12-14 13:23:55,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375967810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:23:55,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:23:55,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:23:55,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235298792] [2022-12-14 13:23:55,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:23:55,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:23:55,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:23:55,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:23:55,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:23:55,951 INFO L87 Difference]: Start difference. First operand 10889 states and 16331 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:23:59,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:00,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:02,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:05,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:07,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:08,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:10,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:13,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:15,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:17,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:20,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:21,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:23,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:24:23,746 INFO L93 Difference]: Finished difference Result 17903 states and 26886 transitions. [2022-12-14 13:24:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:24:23,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 584 [2022-12-14 13:24:23,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:24:23,780 INFO L225 Difference]: With dead ends: 17903 [2022-12-14 13:24:23,780 INFO L226 Difference]: Without dead ends: 10892 [2022-12-14 13:24:23,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:24:23,799 INFO L413 NwaCegarLoop]: 4634 mSDtfsCounter, 1 mSDsluCounter, 4632 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9266 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:24:23,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9266 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 704 Invalid, 6 Unknown, 0 Unchecked, 27.4s Time] [2022-12-14 13:24:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10892 states. [2022-12-14 13:24:24,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10892 to 10890. [2022-12-14 13:24:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10890 states, 6192 states have (on average 1.2530684754521964) internal successors, (7759), 6502 states have internal predecessors, (7759), 4287 states have call successors, (4287), 411 states have call predecessors, (4287), 410 states have return successors, (4286), 4224 states have call predecessors, (4286), 4280 states have call successors, (4286) [2022-12-14 13:24:24,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10890 states to 10890 states and 16332 transitions. [2022-12-14 13:24:24,423 INFO L78 Accepts]: Start accepts. Automaton has 10890 states and 16332 transitions. Word has length 584 [2022-12-14 13:24:24,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:24:24,423 INFO L495 AbstractCegarLoop]: Abstraction has 10890 states and 16332 transitions. [2022-12-14 13:24:24,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 13:24:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 10890 states and 16332 transitions. [2022-12-14 13:24:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-12-14 13:24:24,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:24:24,438 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:24:24,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 13:24:24,438 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:24:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:24:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2109297505, now seen corresponding path program 1 times [2022-12-14 13:24:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:24:24,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850455573] [2022-12-14 13:24:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:24:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:24:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:24:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:24:27,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:24:27,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850455573] [2022-12-14 13:24:27,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850455573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:24:27,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:24:27,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 13:24:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600524031] [2022-12-14 13:24:27,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:24:27,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 13:24:27,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:24:27,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 13:24:27,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-14 13:24:27,686 INFO L87 Difference]: Start difference. First operand 10890 states and 16332 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:24:30,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:31,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:36,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:38,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:39,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:40,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:42,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:50,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:24:55,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:57,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:24:58,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:02,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:06,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:08,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:12,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:15,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:18,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:21,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:23,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:25,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:27,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:37,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:25:39,129 INFO L93 Difference]: Finished difference Result 18043 states and 27097 transitions. [2022-12-14 13:25:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 13:25:39,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 586 [2022-12-14 13:25:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:25:39,161 INFO L225 Difference]: With dead ends: 18043 [2022-12-14 13:25:39,161 INFO L226 Difference]: Without dead ends: 11031 [2022-12-14 13:25:39,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-12-14 13:25:39,180 INFO L413 NwaCegarLoop]: 5913 mSDtfsCounter, 4145 mSDsluCounter, 33658 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4182 SdHoareTripleChecker+Valid, 39571 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:25:39,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4182 Valid, 39571 Invalid, 3063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3047 Invalid, 12 Unknown, 0 Unchecked, 70.7s Time] [2022-12-14 13:25:39,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11031 states. [2022-12-14 13:25:39,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11031 to 10926. [2022-12-14 13:25:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10926 states, 6219 states have (on average 1.2535777456182666) internal successors, (7796), 6528 states have internal predecessors, (7796), 4296 states have call successors, (4296), 411 states have call predecessors, (4296), 410 states have return successors, (4295), 4234 states have call predecessors, (4295), 4289 states have call successors, (4295) [2022-12-14 13:25:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10926 states to 10926 states and 16387 transitions. [2022-12-14 13:25:39,815 INFO L78 Accepts]: Start accepts. Automaton has 10926 states and 16387 transitions. Word has length 586 [2022-12-14 13:25:39,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:25:39,816 INFO L495 AbstractCegarLoop]: Abstraction has 10926 states and 16387 transitions. [2022-12-14 13:25:39,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:25:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10926 states and 16387 transitions. [2022-12-14 13:25:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-12-14 13:25:39,830 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:25:39,830 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:25:39,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 13:25:39,830 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:25:39,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:25:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2006947480, now seen corresponding path program 1 times [2022-12-14 13:25:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:25:39,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164453195] [2022-12-14 13:25:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:25:39,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:25:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:25:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:25:41,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:25:41,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164453195] [2022-12-14 13:25:41,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164453195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:25:41,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:25:41,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:25:41,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212912972] [2022-12-14 13:25:41,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:25:41,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:25:41,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:25:41,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:25:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:25:41,024 INFO L87 Difference]: Start difference. First operand 10926 states and 16387 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:25:43,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:46,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:25:49,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:51,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:54,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:56,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:25:58,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:00,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:02,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:06,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:08,518 INFO L93 Difference]: Finished difference Result 24880 states and 37388 transitions. [2022-12-14 13:26:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:26:08,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 587 [2022-12-14 13:26:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:08,582 INFO L225 Difference]: With dead ends: 24880 [2022-12-14 13:26:08,582 INFO L226 Difference]: Without dead ends: 17868 [2022-12-14 13:26:08,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:26:08,611 INFO L413 NwaCegarLoop]: 6062 mSDtfsCounter, 4687 mSDsluCounter, 4632 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 10694 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:08,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 10694 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 701 Invalid, 7 Unknown, 0 Unchecked, 26.8s Time] [2022-12-14 13:26:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17868 states. [2022-12-14 13:26:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17868 to 17842. [2022-12-14 13:26:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17842 states, 10129 states have (on average 1.2512587619705795) internal successors, (12674), 10629 states have internal predecessors, (12674), 7063 states have call successors, (7063), 650 states have call predecessors, (7063), 649 states have return successors, (7067), 6966 states have call predecessors, (7067), 7056 states have call successors, (7067) [2022-12-14 13:26:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17842 states to 17842 states and 26804 transitions. [2022-12-14 13:26:09,703 INFO L78 Accepts]: Start accepts. Automaton has 17842 states and 26804 transitions. Word has length 587 [2022-12-14 13:26:09,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:09,704 INFO L495 AbstractCegarLoop]: Abstraction has 17842 states and 26804 transitions. [2022-12-14 13:26:09,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:26:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17842 states and 26804 transitions. [2022-12-14 13:26:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-12-14 13:26:09,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:09,720 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:09,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 13:26:09,720 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:09,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash 856154201, now seen corresponding path program 1 times [2022-12-14 13:26:09,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:09,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483592718] [2022-12-14 13:26:09,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2022-12-14 13:26:10,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:10,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483592718] [2022-12-14 13:26:10,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483592718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:26:10,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:26:10,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:26:10,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954391613] [2022-12-14 13:26:10,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:26:10,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:26:10,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:26:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:26:10,718 INFO L87 Difference]: Start difference. First operand 17842 states and 26804 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:26:12,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:15,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:17,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:22,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:24,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:26,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:29,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:31,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:32,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:34,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:38,591 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 [] [2022-12-14 13:26:40,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:40,338 INFO L93 Difference]: Finished difference Result 39226 states and 58996 transitions. [2022-12-14 13:26:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:26:40,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 587 [2022-12-14 13:26:40,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:40,423 INFO L225 Difference]: With dead ends: 39226 [2022-12-14 13:26:40,423 INFO L226 Difference]: Without dead ends: 25298 [2022-12-14 13:26:40,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:26:40,467 INFO L413 NwaCegarLoop]: 6047 mSDtfsCounter, 4592 mSDsluCounter, 4633 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4595 SdHoareTripleChecker+Valid, 10680 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:40,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4595 Valid, 10680 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 702 Invalid, 9 Unknown, 0 Unchecked, 28.8s Time] [2022-12-14 13:26:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25298 states. [2022-12-14 13:26:42,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25298 to 25278. [2022-12-14 13:26:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25278 states, 14363 states have (on average 1.249947782496693) internal successors, (17953), 15057 states have internal predecessors, (17953), 10021 states have call successors, (10021), 894 states have call predecessors, (10021), 893 states have return successors, (10029), 9888 states have call predecessors, (10029), 10014 states have call successors, (10029) [2022-12-14 13:26:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25278 states to 25278 states and 38003 transitions. [2022-12-14 13:26:42,320 INFO L78 Accepts]: Start accepts. Automaton has 25278 states and 38003 transitions. Word has length 587 [2022-12-14 13:26:42,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:42,321 INFO L495 AbstractCegarLoop]: Abstraction has 25278 states and 38003 transitions. [2022-12-14 13:26:42,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 13:26:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 25278 states and 38003 transitions. [2022-12-14 13:26:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-12-14 13:26:42,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:42,338 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:42,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 13:26:42,338 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:42,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:42,339 INFO L85 PathProgramCache]: Analyzing trace with hash -521977523, now seen corresponding path program 1 times [2022-12-14 13:26:42,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:42,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785664768] [2022-12-14 13:26:42,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:42,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2022-12-14 13:26:43,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:43,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785664768] [2022-12-14 13:26:43,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785664768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:26:43,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:26:43,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:26:43,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070337514] [2022-12-14 13:26:43,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:26:43,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:26:43,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:26:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:26:43,333 INFO L87 Difference]: Start difference. First operand 25278 states and 38003 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:26:46,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:48,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:26:51,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:53,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:26:58,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:01,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:03,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:05,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:11,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:13,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:16,121 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 [] [2022-12-14 13:27:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:17,021 INFO L93 Difference]: Finished difference Result 29028 states and 43634 transitions. [2022-12-14 13:27:17,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:27:17,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 584 [2022-12-14 13:27:17,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:17,127 INFO L225 Difference]: With dead ends: 29028 [2022-12-14 13:27:17,127 INFO L226 Difference]: Without dead ends: 29025 [2022-12-14 13:27:17,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:27:17,146 INFO L413 NwaCegarLoop]: 6047 mSDtfsCounter, 4584 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4587 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:27:17,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4587 Valid, 10669 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 703 Invalid, 10 Unknown, 0 Unchecked, 32.7s Time] [2022-12-14 13:27:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29025 states. [2022-12-14 13:27:18,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29025 to 29000. [2022-12-14 13:27:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29000 states, 16483 states have (on average 1.2494691500333677) internal successors, (20595), 17274 states have internal predecessors, (20595), 11500 states have call successors, (11500), 1017 states have call predecessors, (11500), 1016 states have return successors, (11510), 11349 states have call predecessors, (11510), 11493 states have call successors, (11510) [2022-12-14 13:27:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29000 states to 29000 states and 43605 transitions. [2022-12-14 13:27:18,970 INFO L78 Accepts]: Start accepts. Automaton has 29000 states and 43605 transitions. Word has length 584 [2022-12-14 13:27:18,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:18,971 INFO L495 AbstractCegarLoop]: Abstraction has 29000 states and 43605 transitions. [2022-12-14 13:27:18,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:27:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29000 states and 43605 transitions. [2022-12-14 13:27:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-12-14 13:27:18,994 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:18,994 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:27:18,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 13:27:18,994 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:18,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash 996118545, now seen corresponding path program 1 times [2022-12-14 13:27:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:27:18,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732882227] [2022-12-14 13:27:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:27:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2022-12-14 13:27:19,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:27:19,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732882227] [2022-12-14 13:27:19,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732882227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:27:19,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:27:19,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:27:19,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876232574] [2022-12-14 13:27:19,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:27:19,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:27:19,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:27:19,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:27:19,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:27:19,886 INFO L87 Difference]: Start difference. First operand 29000 states and 43605 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:27:22,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:23,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:25,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:27,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:28,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:29,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:32,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:34,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:37,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:39,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:41,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:44,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:27:48,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:51,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:53,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:27:54,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:54,804 INFO L93 Difference]: Finished difference Result 29010 states and 43613 transitions. [2022-12-14 13:27:54,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:27:54,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 585 [2022-12-14 13:27:54,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:54,904 INFO L225 Difference]: With dead ends: 29010 [2022-12-14 13:27:54,904 INFO L226 Difference]: Without dead ends: 29007 [2022-12-14 13:27:54,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:27:54,920 INFO L413 NwaCegarLoop]: 6047 mSDtfsCounter, 4581 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4584 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:27:54,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4584 Valid, 10672 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 702 Invalid, 11 Unknown, 0 Unchecked, 34.1s Time] [2022-12-14 13:27:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29007 states. [2022-12-14 13:27:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29007 to 29003. [2022-12-14 13:27:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29003 states, 16485 states have (on average 1.2494388838337882) internal successors, (20597), 17276 states have internal predecessors, (20597), 11500 states have call successors, (11500), 1018 states have call predecessors, (11500), 1017 states have return successors, (11510), 11349 states have call predecessors, (11510), 11493 states have call successors, (11510) [2022-12-14 13:27:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29003 states to 29003 states and 43607 transitions. [2022-12-14 13:27:56,956 INFO L78 Accepts]: Start accepts. Automaton has 29003 states and 43607 transitions. Word has length 585 [2022-12-14 13:27:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:56,956 INFO L495 AbstractCegarLoop]: Abstraction has 29003 states and 43607 transitions. [2022-12-14 13:27:56,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:27:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 29003 states and 43607 transitions. [2022-12-14 13:27:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-12-14 13:27:56,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:27:56,972 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:27:56,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 13:27:56,972 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:27:56,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:27:56,973 INFO L85 PathProgramCache]: Analyzing trace with hash 812461264, now seen corresponding path program 1 times [2022-12-14 13:27:56,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:27:56,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137332278] [2022-12-14 13:27:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:27:56,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:27:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:27:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2022-12-14 13:27:57,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:27:57,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137332278] [2022-12-14 13:27:57,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137332278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:27:57,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:27:57,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:27:57,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856067250] [2022-12-14 13:27:57,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:27:57,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:27:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:27:57,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:27:57,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:27:57,939 INFO L87 Difference]: Start difference. First operand 29003 states and 43607 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:27:59,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:01,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:02,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:04,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:07,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:09,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:11,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:14,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:16,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:18,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:20,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:21,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:23,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:26,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:28,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:28:28,348 INFO L93 Difference]: Finished difference Result 29011 states and 43614 transitions. [2022-12-14 13:28:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:28:28,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 586 [2022-12-14 13:28:28,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:28:28,435 INFO L225 Difference]: With dead ends: 29011 [2022-12-14 13:28:28,435 INFO L226 Difference]: Without dead ends: 29008 [2022-12-14 13:28:28,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:28:28,446 INFO L413 NwaCegarLoop]: 6047 mSDtfsCounter, 4581 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4582 SdHoareTripleChecker+Valid, 10675 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:28:28,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4582 Valid, 10675 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 705 Invalid, 6 Unknown, 0 Unchecked, 29.6s Time] [2022-12-14 13:28:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29008 states. [2022-12-14 13:28:30,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29008 to 29004. [2022-12-14 13:28:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29004 states, 16486 states have (on average 1.2494237534878079) internal successors, (20598), 17277 states have internal predecessors, (20598), 11500 states have call successors, (11500), 1018 states have call predecessors, (11500), 1017 states have return successors, (11510), 11349 states have call predecessors, (11510), 11493 states have call successors, (11510) [2022-12-14 13:28:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29004 states to 29004 states and 43608 transitions. [2022-12-14 13:28:30,291 INFO L78 Accepts]: Start accepts. Automaton has 29004 states and 43608 transitions. Word has length 586 [2022-12-14 13:28:30,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:28:30,291 INFO L495 AbstractCegarLoop]: Abstraction has 29004 states and 43608 transitions. [2022-12-14 13:28:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:28:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29004 states and 43608 transitions. [2022-12-14 13:28:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-12-14 13:28:30,307 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:28:30,307 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:28:30,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 13:28:30,307 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:28:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:28:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1338979216, now seen corresponding path program 1 times [2022-12-14 13:28:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:28:30,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097311078] [2022-12-14 13:28:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:28:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:28:31,056 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:28:31,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977563085] [2022-12-14 13:28:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:28:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:28:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:28:31,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:28:31,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:28:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:28:36,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 22906 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 13:28:36,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:28:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2706 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2022-12-14 13:28:38,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:28:38,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:28:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097311078] [2022-12-14 13:28:38,090 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:28:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977563085] [2022-12-14 13:28:38,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977563085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:28:38,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:28:38,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:28:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393786206] [2022-12-14 13:28:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:28:38,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:28:38,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:28:38,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:28:38,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:28:38,094 INFO L87 Difference]: Start difference. First operand 29004 states and 43608 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-12-14 13:28:39,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:41,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:43,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:45,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:28:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:52,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:54,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:57,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:28:58,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:01,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:29:01,115 INFO L93 Difference]: Finished difference Result 40312 states and 60558 transitions. [2022-12-14 13:29:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:29:01,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 591 [2022-12-14 13:29:01,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:29:01,174 INFO L225 Difference]: With dead ends: 40312 [2022-12-14 13:29:01,174 INFO L226 Difference]: Without dead ends: 18948 [2022-12-14 13:29:01,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:29:01,235 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 4559 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 5502 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:29:01,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4561 Valid, 5502 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 420 Invalid, 6 Unknown, 0 Unchecked, 22.1s Time] [2022-12-14 13:29:01,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18948 states. [2022-12-14 13:29:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18948 to 18905. [2022-12-14 13:29:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18905 states, 10759 states have (on average 1.2493726182730738) internal successors, (13442), 11277 states have internal predecessors, (13442), 7448 states have call successors, (7448), 697 states have call predecessors, (7448), 697 states have return successors, (7453), 7346 states have call predecessors, (7453), 7441 states have call successors, (7453) [2022-12-14 13:29:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18905 states to 18905 states and 28343 transitions. [2022-12-14 13:29:02,511 INFO L78 Accepts]: Start accepts. Automaton has 18905 states and 28343 transitions. Word has length 591 [2022-12-14 13:29:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:29:02,511 INFO L495 AbstractCegarLoop]: Abstraction has 18905 states and 28343 transitions. [2022-12-14 13:29:02,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-12-14 13:29:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 18905 states and 28343 transitions. [2022-12-14 13:29:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-12-14 13:29:02,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:29:02,527 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:29:02,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:29:02,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 13:29:02,729 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:29:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:29:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash -585942284, now seen corresponding path program 1 times [2022-12-14 13:29:02,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:29:02,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63813248] [2022-12-14 13:29:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:29:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:29:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:29:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2022-12-14 13:29:03,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:29:03,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63813248] [2022-12-14 13:29:03,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63813248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:29:03,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:29:03,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:29:03,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156583472] [2022-12-14 13:29:03,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:29:03,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:29:03,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:29:03,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:29:03,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:29:03,681 INFO L87 Difference]: Start difference. First operand 18905 states and 28343 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:29:06,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:10,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:12,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:15,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:17,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:19,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:21,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:23,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:25,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:29:25,822 INFO L93 Difference]: Finished difference Result 18907 states and 28344 transitions. [2022-12-14 13:29:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:29:25,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 587 [2022-12-14 13:29:25,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:29:25,878 INFO L225 Difference]: With dead ends: 18907 [2022-12-14 13:29:25,879 INFO L226 Difference]: Without dead ends: 18903 [2022-12-14 13:29:25,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:29:25,889 INFO L413 NwaCegarLoop]: 4878 mSDtfsCounter, 4668 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4670 SdHoareTripleChecker+Valid, 5493 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:29:25,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4670 Valid, 5493 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 419 Invalid, 5 Unknown, 0 Unchecked, 21.5s Time] [2022-12-14 13:29:25,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18903 states. [2022-12-14 13:29:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18903 to 18903. [2022-12-14 13:29:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18903 states, 10758 states have (on average 1.2492098903141848) internal successors, (13439), 11275 states have internal predecessors, (13439), 7447 states have call successors, (7447), 697 states have call predecessors, (7447), 697 states have return successors, (7453), 7346 states have call predecessors, (7453), 7441 states have call successors, (7453) [2022-12-14 13:29:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18903 states to 18903 states and 28339 transitions. [2022-12-14 13:29:27,213 INFO L78 Accepts]: Start accepts. Automaton has 18903 states and 28339 transitions. Word has length 587 [2022-12-14 13:29:27,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:29:27,214 INFO L495 AbstractCegarLoop]: Abstraction has 18903 states and 28339 transitions. [2022-12-14 13:29:27,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:29:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18903 states and 28339 transitions. [2022-12-14 13:29:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2022-12-14 13:29:27,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:29:27,228 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:29:27,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 13:29:27,228 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:29:27,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:29:27,229 INFO L85 PathProgramCache]: Analyzing trace with hash -986774445, now seen corresponding path program 1 times [2022-12-14 13:29:27,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:29:27,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41982859] [2022-12-14 13:29:27,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:29:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:29:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:29:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2022-12-14 13:29:28,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:29:28,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41982859] [2022-12-14 13:29:28,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41982859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:29:28,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:29:28,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:29:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764219189] [2022-12-14 13:29:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:29:28,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:29:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:29:28,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:29:28,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:29:28,173 INFO L87 Difference]: Start difference. First operand 18903 states and 28339 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:29:30,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:33,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:36,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:38,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:41,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:43,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:45,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:48,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:49,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:54,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:29:56,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:29:58,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:01,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:03,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:04,579 INFO L93 Difference]: Finished difference Result 26387 states and 39597 transitions. [2022-12-14 13:30:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:04,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 588 [2022-12-14 13:30:04,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:04,671 INFO L225 Difference]: With dead ends: 26387 [2022-12-14 13:30:04,672 INFO L226 Difference]: Without dead ends: 26377 [2022-12-14 13:30:04,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:04,682 INFO L413 NwaCegarLoop]: 6124 mSDtfsCounter, 4612 mSDsluCounter, 4623 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4613 SdHoareTripleChecker+Valid, 10747 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:04,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4613 Valid, 10747 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 722 Invalid, 9 Unknown, 0 Unchecked, 35.3s Time] [2022-12-14 13:30:04,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26377 states. [2022-12-14 13:30:06,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26377 to 26356. [2022-12-14 13:30:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26356 states, 15002 states have (on average 1.248500199973337) internal successors, (18730), 15713 states have internal predecessors, (18730), 10410 states have call successors, (10410), 944 states have call predecessors, (10410), 943 states have return successors, (10420), 10272 states have call predecessors, (10420), 10404 states have call successors, (10420) [2022-12-14 13:30:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 39560 transitions. [2022-12-14 13:30:06,718 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 39560 transitions. Word has length 588 [2022-12-14 13:30:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:06,718 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 39560 transitions. [2022-12-14 13:30:06,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 13:30:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 39560 transitions. [2022-12-14 13:30:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-12-14 13:30:06,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:06,739 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:30:06,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 13:30:06,739 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:06,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:06,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1524122465, now seen corresponding path program 1 times [2022-12-14 13:30:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:06,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407551418] [2022-12-14 13:30:06,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:07,743 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:30:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754179839] [2022-12-14 13:30:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:07,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:30:07,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:30:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:30:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:13,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 22907 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:30:13,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:30:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2706 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2680 trivial. 0 not checked. [2022-12-14 13:30:15,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:30:15,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:15,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407551418] [2022-12-14 13:30:15,272 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:30:15,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754179839] [2022-12-14 13:30:15,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754179839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:15,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:15,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:30:15,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113365382] [2022-12-14 13:30:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:15,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:15,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:15,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:15,274 INFO L87 Difference]: Start difference. First operand 26356 states and 39560 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-12-14 13:30:16,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:19,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:30:22,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:23,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:25,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:27,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:30,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:32,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:35,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:30:36,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:30:37,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:37,779 INFO L93 Difference]: Finished difference Result 34440 states and 51666 transitions. [2022-12-14 13:30:37,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:37,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 591 [2022-12-14 13:30:37,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:37,822 INFO L225 Difference]: With dead ends: 34440 [2022-12-14 13:30:37,822 INFO L226 Difference]: Without dead ends: 15710 [2022-12-14 13:30:37,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:37,868 INFO L413 NwaCegarLoop]: 4808 mSDtfsCounter, 4470 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4471 SdHoareTripleChecker+Valid, 5423 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:37,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4471 Valid, 5423 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 406 Invalid, 5 Unknown, 0 Unchecked, 21.7s Time] [2022-12-14 13:30:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15710 states. [2022-12-14 13:30:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15710 to 15709. [2022-12-14 13:30:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15709 states, 8963 states have (on average 1.248689055003905) internal successors, (11192), 9382 states have internal predecessors, (11192), 6165 states have call successors, (6165), 580 states have call predecessors, (6165), 580 states have return successors, (6170), 6084 states have call predecessors, (6170), 6161 states have call successors, (6170) [2022-12-14 13:30:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15709 states to 15709 states and 23527 transitions. [2022-12-14 13:30:39,083 INFO L78 Accepts]: Start accepts. Automaton has 15709 states and 23527 transitions. Word has length 591 [2022-12-14 13:30:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:39,084 INFO L495 AbstractCegarLoop]: Abstraction has 15709 states and 23527 transitions. [2022-12-14 13:30:39,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-12-14 13:30:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 15709 states and 23527 transitions. [2022-12-14 13:30:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2022-12-14 13:30:39,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:39,100 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:30:39,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:30:39,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-14 13:30:39,302 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:39,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:39,304 INFO L85 PathProgramCache]: Analyzing trace with hash 721222469, now seen corresponding path program 1 times [2022-12-14 13:30:39,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:39,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368766943] [2022-12-14 13:30:39,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:39,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:40,169 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:30:40,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882357867] [2022-12-14 13:30:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:40,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:40,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:30:40,171 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:30:40,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:30:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 22704 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:30:46,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:30:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2022-12-14 13:30:47,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:30:47,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:47,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368766943] [2022-12-14 13:30:47,858 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:30:47,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882357867] [2022-12-14 13:30:47,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882357867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:47,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:47,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:30:47,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103832591] [2022-12-14 13:30:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:47,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:47,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:47,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:47,860 INFO L87 Difference]: Start difference. First operand 15709 states and 23527 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2022-12-14 13:30:50,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:53,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:30:55,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:30:58,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:00,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:02,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:05,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:06,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:31:08,555 INFO L93 Difference]: Finished difference Result 15711 states and 23528 transitions. [2022-12-14 13:31:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:31:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 588 [2022-12-14 13:31:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:31:08,604 INFO L225 Difference]: With dead ends: 15711 [2022-12-14 13:31:08,604 INFO L226 Difference]: Without dead ends: 15708 [2022-12-14 13:31:08,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:31:08,613 INFO L413 NwaCegarLoop]: 4806 mSDtfsCounter, 4450 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4453 SdHoareTripleChecker+Valid, 5421 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:31:08,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4453 Valid, 5421 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 405 Invalid, 6 Unknown, 0 Unchecked, 20.1s Time] [2022-12-14 13:31:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15708 states. [2022-12-14 13:31:09,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15708 to 15708. [2022-12-14 13:31:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15708 states, 8963 states have (on average 1.2485774852170033) internal successors, (11191), 9381 states have internal predecessors, (11191), 6164 states have call successors, (6164), 580 states have call predecessors, (6164), 580 states have return successors, (6170), 6084 states have call predecessors, (6170), 6161 states have call successors, (6170) [2022-12-14 13:31:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 23525 transitions. [2022-12-14 13:31:09,774 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 23525 transitions. Word has length 588 [2022-12-14 13:31:09,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:31:09,774 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 23525 transitions. [2022-12-14 13:31:09,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2022-12-14 13:31:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 23525 transitions. [2022-12-14 13:31:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-12-14 13:31:09,789 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:31:09,789 INFO L195 NwaCegarLoop]: trace histogram [48, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:31:09,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:31:09,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:09,991 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:31:09,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:31:09,992 INFO L85 PathProgramCache]: Analyzing trace with hash 880612633, now seen corresponding path program 1 times [2022-12-14 13:31:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:31:09,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423349797] [2022-12-14 13:31:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:31:10,800 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:31:10,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117015325] [2022-12-14 13:31:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:10,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:31:10,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:31:10,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c61f1-230a-4d77-8d8b-6bfbb0c12162/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:31:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:17,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 22706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:31:17,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:31:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2022-12-14 13:31:18,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:31:18,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:31:18,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423349797] [2022-12-14 13:31:18,816 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:31:18,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117015325] [2022-12-14 13:31:18,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117015325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:31:18,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:31:18,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:31:18,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647154175] [2022-12-14 13:31:18,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:31:18,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:31:18,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:31:18,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:31:18,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:31:18,818 INFO L87 Difference]: Start difference. First operand 15708 states and 23525 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 2 states have internal predecessors, (209), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2022-12-14 13:31:20,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:22,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:24,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:26,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:28,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:31,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:33,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:36,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:38,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:40,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:42,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:45,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:47,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:50,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:31:52,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:54,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:31:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:31:56,624 INFO L93 Difference]: Finished difference Result 30884 states and 46284 transitions. [2022-12-14 13:31:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:31:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 2 states have internal predecessors, (209), 2 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 589 [2022-12-14 13:31:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:31:56,728 INFO L225 Difference]: With dead ends: 30884 [2022-12-14 13:31:56,728 INFO L226 Difference]: Without dead ends: 30881 [2022-12-14 13:31:56,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:31:56,743 INFO L413 NwaCegarLoop]: 5970 mSDtfsCounter, 4440 mSDsluCounter, 4550 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 10520 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:31:56,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4441 Valid, 10520 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 12 Unknown, 0 Unchecked, 36.5s Time] [2022-12-14 13:31:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30881 states.