./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/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 8617496e14c7e02e61426a9b36d40149cd7ab2d833fa4b8ca7358faa220fba43 --- 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 16:04:25,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:04:25,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:04:25,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:04:25,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:04:25,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:04:25,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:04:25,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:04:25,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:04:25,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:04:25,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:04:25,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:04:25,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:04:25,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:04:25,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:04:25,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:04:25,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:04:25,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:04:25,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:04:25,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:04:25,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:04:25,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:04:25,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:04:25,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:04:25,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:04:25,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:04:25,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:04:25,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:04:25,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:04:25,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:04:25,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:04:25,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:04:25,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:04:25,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:04:25,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:04:25,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:04:25,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:04:25,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:04:25,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:04:25,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:04:25,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:04:25,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 16:04:25,719 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:04:25,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:04:25,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:04:25,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:04:25,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:04:25,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:04:25,720 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:04:25,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:04:25,721 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:04:25,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:04:25,722 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:04:25,722 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:04:25,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:04:25,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:04:25,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:25,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:04:25,724 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:04:25,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:04:25,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:04:25,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:04:25,725 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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8617496e14c7e02e61426a9b36d40149cd7ab2d833fa4b8ca7358faa220fba43 [2022-12-14 16:04:25,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:04:25,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:04:25,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:04:25,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:04:25,905 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:04:25,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-12-14 16:04:28,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:04:28,845 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:04:28,845 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-12-14 16:04:28,872 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/data/ff1401c70/ba9db5d8f7e0465fa5436d7cd54142f5/FLAG7f46b59e3 [2022-12-14 16:04:28,886 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/data/ff1401c70/ba9db5d8f7e0465fa5436d7cd54142f5 [2022-12-14 16:04:28,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:04:28,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:04:28,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:28,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:04:28,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:04:28,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:28" (1/1) ... [2022-12-14 16:04:28,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5b42d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:28, skipping insertion in model container [2022-12-14 16:04:28,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:28" (1/1) ... [2022-12-14 16:04:28,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:04:29,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:04:29,722 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:04:29,733 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 16:04:29,794 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 16:04:29,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:29,970 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:29,970 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:29,975 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 16:04:30,037 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,044 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,051 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,128 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-12-14 16:04:30,134 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-12-14 16:04:30,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,153 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:30,161 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:04:30,161 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 16:04:30,162 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 16:04:30,162 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:04:30,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,229 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 16:04:30,234 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 16:04:30,241 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:30,375 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:04:30,376 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 16:04:30,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,395 WARN L623 FunctionHandler]: Unknown extern function memory_read_from_buffer [2022-12-14 16:04:30,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,416 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:30,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,417 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 16:04:30,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,418 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:04:30,422 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 16:04:30,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,423 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 16:04:30,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,426 WARN L623 FunctionHandler]: Unknown extern function ioremap_wc [2022-12-14 16:04:30,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,430 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 16:04:30,431 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 16:04:30,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,432 WARN L623 FunctionHandler]: Unknown extern function register_framebuffer [2022-12-14 16:04:30,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,433 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_add [2022-12-14 16:04:30,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:30,435 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:30,435 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:30,435 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:30,436 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 16:04:30,436 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 16:04:30,436 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:30,437 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:30,437 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:30,437 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 16:04:30,444 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 16:04:30,445 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 16:04:30,445 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_del [2022-12-14 16:04:30,445 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 16:04:30,446 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:30,446 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:30,446 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:30,446 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:30,446 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:30,447 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:30,447 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 16:04:30,447 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 16:04:30,447 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 16:04:30,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:30,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:30,521 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 16:04:30,525 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-14 16:04:30,525 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-12-14 16:04:30,528 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-14 16:04:30,529 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 16:04:30,529 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 16:04:30,530 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:30,530 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:30,530 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:30,531 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:30,531 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-14 16:04:30,532 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-14 16:04:30,533 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,533 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,533 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,534 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:30,534 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,535 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,535 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,535 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,536 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,536 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,536 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:30,537 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:30,537 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:30,538 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:30,538 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:04:30,538 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:04:30,610 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 16:04:30,615 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 16:04:30,642 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,642 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:30,663 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,669 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,675 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,768 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,768 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,769 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,769 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,770 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,770 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,787 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,794 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,794 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,800 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,801 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,807 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,807 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,808 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,808 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,809 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,809 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,823 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,823 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,824 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,824 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,824 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,825 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,825 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,825 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,825 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,826 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,826 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,826 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,827 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,834 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,835 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,835 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,836 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,844 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,846 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,846 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,847 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,848 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,852 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,872 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,873 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,874 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,875 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,875 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,876 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,881 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,890 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,890 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,892 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,899 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,899 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,911 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,925 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,926 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,926 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,927 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,927 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,929 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,929 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,929 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,936 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:30,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,942 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:30,942 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:30,942 WARN L623 FunctionHandler]: Unknown extern function __pci_complete_power_transition [2022-12-14 16:04:30,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,943 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 16:04:30,944 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 16:04:30,944 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:30,944 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,945 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,945 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,945 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,946 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,946 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:30,947 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:30,947 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 16:04:30,952 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-12-14 16:04:30,953 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 16:04:30,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,954 WARN L623 FunctionHandler]: Unknown extern function fb_pan_display [2022-12-14 16:04:30,954 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-12-14 16:04:30,954 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 16:04:30,955 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 16:04:30,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:30,957 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,957 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,958 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:30,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,958 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,958 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:30,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:30,959 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:31,035 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,035 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:31,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,110 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,110 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,128 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,129 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,146 WARN L623 FunctionHandler]: Unknown extern function fb_parse_edid [2022-12-14 16:04:31,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,149 WARN L623 FunctionHandler]: Unknown extern function fb_edid_to_monspecs [2022-12-14 16:04:31,149 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_modelist [2022-12-14 16:04:31,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,153 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 16:04:31,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,153 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 16:04:31,155 WARN L623 FunctionHandler]: Unknown extern function fb_var_to_videomode [2022-12-14 16:04:31,155 WARN L623 FunctionHandler]: Unknown extern function fb_add_videomode [2022-12-14 16:04:31,161 WARN L623 FunctionHandler]: Unknown extern function fb_validate_mode [2022-12-14 16:04:31,162 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,162 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,163 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:31,163 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,163 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,164 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,164 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,219 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,224 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,229 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,241 WARN L623 FunctionHandler]: Unknown extern function cfb_fillrect [2022-12-14 16:04:31,250 WARN L623 FunctionHandler]: Unknown extern function cfb_copyarea [2022-12-14 16:04:31,251 WARN L623 FunctionHandler]: Unknown extern function cfb_imageblit [2022-12-14 16:04:31,256 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,256 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,256 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,256 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:31,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,258 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,258 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,348 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,348 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 16:04:31,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:31,349 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 16:04:31,350 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:31,351 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:31,351 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:31,351 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:31,352 WARN L623 FunctionHandler]: Unknown extern function fb_ddc_read [2022-12-14 16:04:31,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,355 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,355 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,355 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,356 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:31,356 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,356 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,356 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,356 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,357 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,357 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,433 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,433 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:31,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,457 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,462 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,472 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,474 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-14 16:04:31,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,474 WARN L623 FunctionHandler]: Unknown extern function fb_bl_default_curve [2022-12-14 16:04:31,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,475 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,475 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-14 16:04:31,475 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,477 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:31,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,479 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:31,479 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:31,479 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:31,484 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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[416111,416124] [2022-12-14 16:04:31,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,703 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,703 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,704 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,709 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:31,745 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:04:31,810 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:04:31,810 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 16:04:31,811 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 16:04:31,811 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,814 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:31,815 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 16:04:31,818 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,819 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,820 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,823 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-12-14 16:04:31,824 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-12-14 16:04:31,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,829 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:31,830 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:04:31,830 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 16:04:31,831 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 16:04:31,831 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:04:31,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,845 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 16:04:31,846 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 16:04:31,848 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,860 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,864 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,868 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,875 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,876 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:04:31,877 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 16:04:31,880 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,881 WARN L623 FunctionHandler]: Unknown extern function memory_read_from_buffer [2022-12-14 16:04:31,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,895 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:31,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,896 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 16:04:31,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,897 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:04:31,898 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 16:04:31,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,899 WARN L623 FunctionHandler]: Unknown extern function pci_request_region [2022-12-14 16:04:31,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,901 WARN L623 FunctionHandler]: Unknown extern function ioremap_wc [2022-12-14 16:04:31,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,903 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 16:04:31,903 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_bin_file [2022-12-14 16:04:31,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,904 WARN L623 FunctionHandler]: Unknown extern function register_framebuffer [2022-12-14 16:04:31,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,905 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_add [2022-12-14 16:04:31,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:31,906 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:31,906 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,906 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,907 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 16:04:31,907 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 16:04:31,907 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:31,907 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:31,907 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:31,908 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 16:04:31,909 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 16:04:31,909 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_bin_file [2022-12-14 16:04:31,909 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_del [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function pci_release_region [2022-12-14 16:04:31,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,911 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:31,911 WARN L623 FunctionHandler]: Unknown extern function fb_destroy_modedb [2022-12-14 16:04:31,911 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 16:04:31,911 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 16:04:31,915 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,915 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:31,916 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 16:04:31,918 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-14 16:04:31,919 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-12-14 16:04:31,921 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-14 16:04:31,921 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 16:04:31,921 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 16:04:31,921 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:31,922 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:31,922 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:31,922 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 16:04:31,922 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-14 16:04:31,922 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-14 16:04:31,923 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,923 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,924 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,924 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:31,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,925 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,925 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:31,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:31,926 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:31,926 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:31,926 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:31,927 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:31,927 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:04:31,927 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:04:31,928 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 16:04:31,931 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 16:04:31,934 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,935 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:31,937 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,938 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,938 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,967 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,967 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,968 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,968 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,968 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,969 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,974 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,975 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,975 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,976 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,976 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,977 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,977 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,978 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,980 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,980 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,982 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,982 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,982 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,985 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,985 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,986 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,990 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,991 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,991 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,991 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,995 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,996 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,997 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:31,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:31,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,000 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,001 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,001 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,001 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,002 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,004 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,004 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,005 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,005 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,005 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,006 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,006 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,006 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,008 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,008 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,009 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,009 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,011 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,011 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,018 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,018 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,019 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,020 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,020 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,021 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,021 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,022 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,023 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,023 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,025 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:32,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,026 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:32,026 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:32,027 WARN L623 FunctionHandler]: Unknown extern function __pci_complete_power_transition [2022-12-14 16:04:32,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,028 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 16:04:32,028 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 16:04:32,029 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:32,029 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,031 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,031 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:32,032 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 16:04:32,033 WARN L623 FunctionHandler]: Unknown extern function console_trylock [2022-12-14 16:04:32,033 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 16:04:32,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,036 WARN L623 FunctionHandler]: Unknown extern function fb_pan_display [2022-12-14 16:04:32,036 WARN L623 FunctionHandler]: Unknown extern function fb_set_cmap [2022-12-14 16:04:32,036 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 16:04:32,037 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 16:04:32,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,039 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,039 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,039 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,039 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:32,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,040 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,040 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,041 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,041 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:32,042 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,042 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:32,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,051 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,060 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,060 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,061 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,073 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,073 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,085 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:32,085 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:32,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,103 WARN L623 FunctionHandler]: Unknown extern function fb_parse_edid [2022-12-14 16:04:32,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,106 WARN L623 FunctionHandler]: Unknown extern function fb_edid_to_monspecs [2022-12-14 16:04:32,106 WARN L623 FunctionHandler]: Unknown extern function fb_videomode_to_modelist [2022-12-14 16:04:32,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,108 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 16:04:32,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,109 WARN L623 FunctionHandler]: Unknown extern function fb_find_mode [2022-12-14 16:04:32,110 WARN L623 FunctionHandler]: Unknown extern function fb_var_to_videomode [2022-12-14 16:04:32,111 WARN L623 FunctionHandler]: Unknown extern function fb_add_videomode [2022-12-14 16:04:32,113 WARN L623 FunctionHandler]: Unknown extern function fb_validate_mode [2022-12-14 16:04:32,114 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,115 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,115 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,115 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:32,115 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,116 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,116 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,116 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,116 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,116 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,117 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,118 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,118 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,121 WARN L623 FunctionHandler]: Unknown extern function cfb_fillrect [2022-12-14 16:04:32,125 WARN L623 FunctionHandler]: Unknown extern function cfb_copyarea [2022-12-14 16:04:32,126 WARN L623 FunctionHandler]: Unknown extern function cfb_imageblit [2022-12-14 16:04:32,132 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,132 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,133 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:32,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,133 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,134 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,141 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,141 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 16:04:32,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:32,142 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 16:04:32,147 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:32,148 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:32,149 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:32,151 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 16:04:32,152 WARN L623 FunctionHandler]: Unknown extern function fb_ddc_read [2022-12-14 16:04:32,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:04:32,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,156 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:32,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,157 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,157 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,158 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,159 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,160 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 16:04:32,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,163 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,166 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:32,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,168 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-14 16:04:32,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,169 WARN L623 FunctionHandler]: Unknown extern function fb_bl_default_curve [2022-12-14 16:04:32,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,169 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:32,170 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-14 16:04:32,170 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:32,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:32,171 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,171 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,171 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,172 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 16:04:32,172 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,172 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,172 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,172 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 16:04:32,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 16:04:32,173 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:04:32,173 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:32,174 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:04:32,174 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_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[416111,416124] [2022-12-14 16:04:32,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 16:04:32,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:32,308 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:04:32,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32 WrapperNode [2022-12-14 16:04:32,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:32,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:32,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:04:32,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:04:32,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,718 INFO L138 Inliner]: procedures = 421, calls = 6451, calls flagged for inlining = 153, calls inlined = 149, statements flattened = 13642 [2022-12-14 16:04:32,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:32,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:04:32,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:04:32,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:04:32,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:32,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:33,041 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:33,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:33,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:04:33,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:04:33,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:04:33,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:04:33,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (1/1) ... [2022-12-14 16:04:33,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:33,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:04:33,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:04:33,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-12-14 16:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-12-14 16:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-12-14 16:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-12-14 16:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 16:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 16:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-12-14 16:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-12-14 16:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___0 [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___0 [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___1 [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___1 [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-12-14 16:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-12-14 16:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-12-14 16:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 16:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-12-14 16:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush___1 [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush___1 [2022-12-14 16:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 16:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-12-14 16:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-12-14 16:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___1 [2022-12-14 16:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___1 [2022-12-14 16:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___0 [2022-12-14 16:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___0 [2022-12-14 16:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___3 [2022-12-14 16:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___3 [2022-12-14 16:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-12-14 16:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-12-14 16:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 16:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 16:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep___0 [2022-12-14 16:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep___0 [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 16:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-12-14 16:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-12-14 16:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-12-14 16:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 16:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 16:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-12-14 16:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 16:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 16:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 16:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-12-14 16:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-12-14 16:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-12-14 16:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-12-14 16:04:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-12-14 16:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-12-14 16:04:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 16:04:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 16:04:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-12-14 16:04:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-12-14 16:04:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-12-14 16:04:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-12-14 16:04:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-12-14 16:04:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-12-14 16:04:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-12-14 16:04:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 16:04:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-12-14 16:04:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-12-14 16:04:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 16:04:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:04:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-12-14 16:04:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-12-14 16:04:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 16:04:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-12-14 16:04:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-12-14 16:04:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-12-14 16:04:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 16:04:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 16:04:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___3 [2022-12-14 16:04:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___3 [2022-12-14 16:04:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___1 [2022-12-14 16:04:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___1 [2022-12-14 16:04:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___0 [2022-12-14 16:04:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___0 [2022-12-14 16:04:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-12-14 16:04:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-12-14 16:04:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-12-14 16:04:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-12-14 16:04:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-12-14 16:04:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 16:04:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-12-14 16:04:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-14 16:04:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-14 16:04:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:04:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:04:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 16:04:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 16:04:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-12-14 16:04:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-12-14 16:04:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-12-14 16:04:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-12-14 16:04:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 16:04:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 16:04:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-12-14 16:04:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-12-14 16:04:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-12-14 16:04:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-12-14 16:04:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-12-14 16:04:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-12-14 16:04:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 16:04:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 16:04:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-12-14 16:04:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-12-14 16:04:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-12-14 16:04:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-12-14 16:04:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-12-14 16:04:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 16:04:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 16:04:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:04:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:04:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 16:04:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 16:04:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-12-14 16:04:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-12-14 16:04:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP___0 [2022-12-14 16:04:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP___0 [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-12-14 16:04:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-12-14 16:04:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-12-14 16:04:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-14 16:04:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-12-14 16:04:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-12-14 16:04:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-12-14 16:04:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-12-14 16:04:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-12-14 16:04:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-12-14 16:04:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-12-14 16:04:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-12-14 16:04:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 16:04:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-12-14 16:04:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___2 [2022-12-14 16:04:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___2 [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___1 [2022-12-14 16:04:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___1 [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___0 [2022-12-14 16:04:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___0 [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-12-14 16:04:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-12-14 16:04:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 16:04:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 16:04:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:04:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-12-14 16:04:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-12-14 16:04:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___3 [2022-12-14 16:04:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___3 [2022-12-14 16:04:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___1 [2022-12-14 16:04:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___1 [2022-12-14 16:04:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___0 [2022-12-14 16:04:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___0 [2022-12-14 16:04:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 16:04:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-12-14 16:04:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 16:04:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-12-14 16:04:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-12-14 16:04:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-12-14 16:04:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-12-14 16:04:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-12-14 16:04:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-12-14 16:04:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-12-14 16:04:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-12-14 16:04:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 16:04:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 16:04:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 16:04:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-12-14 16:04:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-12-14 16:04:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:04:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-12-14 16:04:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-12-14 16:04:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-12-14 16:04:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-12-14 16:04:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-14 16:04:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-14 16:04:33,962 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:04:33,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:04:34,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 16:04:56,266 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:05:00,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:05:00,698 INFO L300 CfgBuilder]: Removed 41 assume(true) statements. [2022-12-14 16:05:00,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:05:00 BoogieIcfgContainer [2022-12-14 16:05:00,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:05:00,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:05:00,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:05:00,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:05:00,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:04:28" (1/3) ... [2022-12-14 16:05:00,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec45720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:05:00, skipping insertion in model container [2022-12-14 16:05:00,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:32" (2/3) ... [2022-12-14 16:05:00,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec45720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:05:00, skipping insertion in model container [2022-12-14 16:05:00,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:05:00" (3/3) ... [2022-12-14 16:05:00,709 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-12-14 16:05:00,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:05:00,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 16:05:00,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:05:00,810 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;@628b4c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:05:00,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 16:05:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 3791 states, 2176 states have (on average 1.2394301470588236) internal successors, (2697), 2314 states have internal predecessors, (2697), 1531 states have call successors, (1531), 119 states have call predecessors, (1531), 118 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) [2022-12-14 16:05:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-14 16:05:00,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:00,835 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 16:05:00,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:05:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1045508839, now seen corresponding path program 1 times [2022-12-14 16:05:00,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:00,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709533501] [2022-12-14 16:05:00,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:00,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-14 16:05:02,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:02,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709533501] [2022-12-14 16:05:02,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709533501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:02,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:02,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:05:02,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062848527] [2022-12-14 16:05:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:02,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:05:02,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:02,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:05:02,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:05:02,142 INFO L87 Difference]: Start difference. First operand has 3791 states, 2176 states have (on average 1.2394301470588236) internal successors, (2697), 2314 states have internal predecessors, (2697), 1531 states have call successors, (1531), 119 states have call predecessors, (1531), 118 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 16:05:05,164 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 16:05:06,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:10,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:05:14,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:16,140 WARN L539 Checker$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 16:05:18,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:19,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:05:23,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:25,753 WARN L539 Checker$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 16:05:28,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:05:30,192 WARN L539 Checker$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 16:05:31,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:31,365 INFO L93 Difference]: Finished difference Result 10291 states and 15665 transitions. [2022-12-14 16:05:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:05:31,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 274 [2022-12-14 16:05:31,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:31,410 INFO L225 Difference]: With dead ends: 10291 [2022-12-14 16:05:31,410 INFO L226 Difference]: Without dead ends: 6537 [2022-12-14 16:05:31,436 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 16:05:31,438 INFO L413 NwaCegarLoop]: 6391 mSDtfsCounter, 4318 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4319 SdHoareTripleChecker+Valid, 11540 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:31,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4319 Valid, 11540 Invalid, 746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 735 Invalid, 8 Unknown, 0 Unchecked, 28.8s Time] [2022-12-14 16:05:31,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6537 states. [2022-12-14 16:05:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6537 to 6534. [2022-12-14 16:05:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6534 states, 3634 states have (on average 1.2256466703357183) internal successors, (4454), 3821 states have internal predecessors, (4454), 2683 states have call successors, (2683), 217 states have call predecessors, (2683), 216 states have return successors, (2677), 2648 states have call predecessors, (2677), 2676 states have call successors, (2677) [2022-12-14 16:05:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6534 states to 6534 states and 9814 transitions. [2022-12-14 16:05:31,918 INFO L78 Accepts]: Start accepts. Automaton has 6534 states and 9814 transitions. Word has length 274 [2022-12-14 16:05:31,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:31,920 INFO L495 AbstractCegarLoop]: Abstraction has 6534 states and 9814 transitions. [2022-12-14 16:05:31,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 16:05:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 6534 states and 9814 transitions. [2022-12-14 16:05:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-14 16:05:31,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:31,930 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:05:31,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:05:31,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:05:31,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:31,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1539017545, now seen corresponding path program 1 times [2022-12-14 16:05:31,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:31,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843692743] [2022-12-14 16:05:31,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-12-14 16:05:32,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:32,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843692743] [2022-12-14 16:05:32,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843692743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:32,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:32,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:05:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981948627] [2022-12-14 16:05:32,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:32,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:05:32,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:05:32,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:05:32,667 INFO L87 Difference]: Start difference. First operand 6534 states and 9814 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:05:34,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:37,673 WARN L539 Checker$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 16:05:40,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:43,877 WARN L539 Checker$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 16:05:46,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:50,598 WARN L539 Checker$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 16:05:53,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:55,440 WARN L539 Checker$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 16:05:57,843 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 16:06:00,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:00,657 INFO L93 Difference]: Finished difference Result 12278 states and 18448 transitions. [2022-12-14 16:06:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:06:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 289 [2022-12-14 16:06:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:00,716 INFO L225 Difference]: With dead ends: 12278 [2022-12-14 16:06:00,716 INFO L226 Difference]: Without dead ends: 12275 [2022-12-14 16:06:00,725 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 16:06:00,725 INFO L413 NwaCegarLoop]: 7064 mSDtfsCounter, 4350 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4351 SdHoareTripleChecker+Valid, 12110 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:00,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4351 Valid, 12110 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 9 Unknown, 0 Unchecked, 27.7s Time] [2022-12-14 16:06:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12275 states. [2022-12-14 16:06:01,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12275 to 12270. [2022-12-14 16:06:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12270 states, 6780 states have (on average 1.2237463126843657) internal successors, (8297), 7145 states have internal predecessors, (8297), 5074 states have call successors, (5074), 416 states have call predecessors, (5074), 415 states have return successors, (5070), 5009 states have call predecessors, (5070), 5067 states have call successors, (5070) [2022-12-14 16:06:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12270 states to 12270 states and 18441 transitions. [2022-12-14 16:06:01,712 INFO L78 Accepts]: Start accepts. Automaton has 12270 states and 18441 transitions. Word has length 289 [2022-12-14 16:06:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:01,712 INFO L495 AbstractCegarLoop]: Abstraction has 12270 states and 18441 transitions. [2022-12-14 16:06:01,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:06:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 12270 states and 18441 transitions. [2022-12-14 16:06:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 16:06:01,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:01,716 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:06:01,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:06:01,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:01,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:01,717 INFO L85 PathProgramCache]: Analyzing trace with hash -467434765, now seen corresponding path program 1 times [2022-12-14 16:06:01,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:01,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143901497] [2022-12-14 16:06:01,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-12-14 16:06:02,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:02,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143901497] [2022-12-14 16:06:02,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143901497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:02,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:02,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:06:02,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341607898] [2022-12-14 16:06:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:02,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:06:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:02,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:06:02,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:06:02,276 INFO L87 Difference]: Start difference. First operand 12270 states and 18441 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:06:04,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:05,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:08,526 WARN L539 Checker$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 16:06:10,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:06:12,524 WARN L539 Checker$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 16:06:15,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:17,451 WARN L539 Checker$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 16:06:20,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:22,292 WARN L539 Checker$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 16:06:24,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:26,678 WARN L539 Checker$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 16:06:27,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:06:29,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:06:32,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:32,452 INFO L93 Difference]: Finished difference Result 18014 states and 27068 transitions. [2022-12-14 16:06:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:06:32,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 290 [2022-12-14 16:06:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:32,535 INFO L225 Difference]: With dead ends: 18014 [2022-12-14 16:06:32,535 INFO L226 Difference]: Without dead ends: 18011 [2022-12-14 16:06:32,551 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 16:06:32,552 INFO L413 NwaCegarLoop]: 6333 mSDtfsCounter, 4344 mSDsluCounter, 5049 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4345 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:32,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4345 Valid, 11382 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 10 Unknown, 0 Unchecked, 29.8s Time] [2022-12-14 16:06:32,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2022-12-14 16:06:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 17994. [2022-12-14 16:06:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 9920 states have (on average 1.2231854838709677) internal successors, (12134), 10463 states have internal predecessors, (12134), 7458 states have call successors, (7458), 616 states have call predecessors, (7458), 615 states have return successors, (7456), 7363 states have call predecessors, (7456), 7451 states have call successors, (7456) [2022-12-14 16:06:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 27048 transitions. [2022-12-14 16:06:33,689 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 27048 transitions. Word has length 290 [2022-12-14 16:06:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:33,689 INFO L495 AbstractCegarLoop]: Abstraction has 17994 states and 27048 transitions. [2022-12-14 16:06:33,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:06:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 27048 transitions. [2022-12-14 16:06:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-12-14 16:06:33,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:33,693 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:06:33,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:06:33,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:06:33,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1608102086, now seen corresponding path program 1 times [2022-12-14 16:06:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:33,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286426877] [2022-12-14 16:06:33,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-12-14 16:06:34,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:34,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286426877] [2022-12-14 16:06:34,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286426877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:34,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:34,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:06:34,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553336170] [2022-12-14 16:06:34,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:34,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:06:34,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:34,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:06:34,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:06:34,214 INFO L87 Difference]: Start difference. First operand 17994 states and 27048 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:06:36,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:37,585 WARN L539 Checker$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 16:06:41,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:06:43,936 WARN L539 Checker$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 16:06:46,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:47,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:50,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:52,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:55,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:57,233 WARN L539 Checker$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 16:06:59,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:07:01,974 WARN L539 Checker$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 16:07:04,502 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 16:07:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:04,905 INFO L93 Difference]: Finished difference Result 18217 states and 27347 transitions. [2022-12-14 16:07:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:07:04,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 291 [2022-12-14 16:07:04,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:04,990 INFO L225 Difference]: With dead ends: 18217 [2022-12-14 16:07:04,991 INFO L226 Difference]: Without dead ends: 18214 [2022-12-14 16:07:05,007 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 16:07:05,008 INFO L413 NwaCegarLoop]: 6391 mSDtfsCounter, 4557 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4558 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:05,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4558 Valid, 11443 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 721 Invalid, 9 Unknown, 0 Unchecked, 30.2s Time] [2022-12-14 16:07:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18214 states. [2022-12-14 16:07:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18214 to 18195. [2022-12-14 16:07:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18195 states, 10036 states have (on average 1.2226982861697888) internal successors, (12271), 10582 states have internal predecessors, (12271), 7528 states have call successors, (7528), 631 states have call predecessors, (7528), 630 states have return successors, (7526), 7433 states have call predecessors, (7526), 7521 states have call successors, (7526) [2022-12-14 16:07:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18195 states to 18195 states and 27325 transitions. [2022-12-14 16:07:06,402 INFO L78 Accepts]: Start accepts. Automaton has 18195 states and 27325 transitions. Word has length 291 [2022-12-14 16:07:06,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:06,402 INFO L495 AbstractCegarLoop]: Abstraction has 18195 states and 27325 transitions. [2022-12-14 16:07:06,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:07:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18195 states and 27325 transitions. [2022-12-14 16:07:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-12-14 16:07:06,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:06,409 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:07:06,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:07:06,409 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:07:06,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1685921494, now seen corresponding path program 1 times [2022-12-14 16:07:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:06,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230318583] [2022-12-14 16:07:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-12-14 16:07:06,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:06,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230318583] [2022-12-14 16:07:06,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230318583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:06,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:06,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:07:06,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931561585] [2022-12-14 16:07:06,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:06,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:07:06,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:06,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:07:06,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:07:06,988 INFO L87 Difference]: Start difference. First operand 18195 states and 27325 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:07:08,348 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 16:07:10,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:12,723 WARN L539 Checker$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 16:07:14,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:07:16,949 WARN L539 Checker$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 16:07:19,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:22,030 WARN L539 Checker$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 16:07:24,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:26,868 WARN L539 Checker$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 16:07:29,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:32,178 WARN L539 Checker$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 16:07:35,174 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 16:07:36,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:36,309 INFO L93 Difference]: Finished difference Result 18216 states and 27346 transitions. [2022-12-14 16:07:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:07:36,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 292 [2022-12-14 16:07:36,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:36,366 INFO L225 Difference]: With dead ends: 18216 [2022-12-14 16:07:36,367 INFO L226 Difference]: Without dead ends: 18213 [2022-12-14 16:07:36,376 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 16:07:36,376 INFO L413 NwaCegarLoop]: 6343 mSDtfsCounter, 4339 mSDsluCounter, 5055 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4341 SdHoareTripleChecker+Valid, 11398 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:36,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4341 Valid, 11398 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 723 Invalid, 9 Unknown, 0 Unchecked, 28.9s Time] [2022-12-14 16:07:36,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18213 states. [2022-12-14 16:07:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18213 to 18198. [2022-12-14 16:07:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18198 states, 10039 states have (on average 1.222631736228708) internal successors, (12274), 10585 states have internal predecessors, (12274), 7528 states have call successors, (7528), 631 states have call predecessors, (7528), 630 states have return successors, (7526), 7433 states have call predecessors, (7526), 7521 states have call successors, (7526) [2022-12-14 16:07:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18198 states to 18198 states and 27328 transitions. [2022-12-14 16:07:37,466 INFO L78 Accepts]: Start accepts. Automaton has 18198 states and 27328 transitions. Word has length 292 [2022-12-14 16:07:37,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:37,467 INFO L495 AbstractCegarLoop]: Abstraction has 18198 states and 27328 transitions. [2022-12-14 16:07:37,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:07:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 18198 states and 27328 transitions. [2022-12-14 16:07:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-12-14 16:07:37,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:37,472 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:07:37,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:07:37,472 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:07:37,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash 721442237, now seen corresponding path program 1 times [2022-12-14 16:07:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:37,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244725088] [2022-12-14 16:07:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-12-14 16:07:38,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:38,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244725088] [2022-12-14 16:07:38,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244725088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:38,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:38,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:07:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919232879] [2022-12-14 16:07:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:38,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:07:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:38,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:07:38,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:07:38,030 INFO L87 Difference]: Start difference. First operand 18198 states and 27328 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:07:40,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:41,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:43,540 WARN L539 Checker$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 16:07:45,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:07:47,570 WARN L539 Checker$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 16:07:48,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:51,983 WARN L539 Checker$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 16:07:53,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:56,697 WARN L539 Checker$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 16:07:58,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:01,459 WARN L539 Checker$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 16:08:03,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:08:06,519 WARN L539 Checker$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 16:08:11,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:12,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:12,031 INFO L93 Difference]: Finished difference Result 24100 states and 36196 transitions. [2022-12-14 16:08:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 293 [2022-12-14 16:08:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:12,105 INFO L225 Difference]: With dead ends: 24100 [2022-12-14 16:08:12,105 INFO L226 Difference]: Without dead ends: 24091 [2022-12-14 16:08:12,114 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 16:08:12,115 INFO L413 NwaCegarLoop]: 6408 mSDtfsCounter, 4575 mSDsluCounter, 5051 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4576 SdHoareTripleChecker+Valid, 11459 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:12,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4576 Valid, 11459 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 723 Invalid, 8 Unknown, 0 Unchecked, 33.4s Time] [2022-12-14 16:08:12,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24091 states. [2022-12-14 16:08:13,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24091 to 24083. [2022-12-14 16:08:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24083 states, 13271 states have (on average 1.2221384974756988) internal successors, (16219), 13996 states have internal predecessors, (16219), 9979 states have call successors, (9979), 833 states have call predecessors, (9979), 832 states have return successors, (9979), 9854 states have call predecessors, (9979), 9972 states have call successors, (9979) [2022-12-14 16:08:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24083 states to 24083 states and 36177 transitions. [2022-12-14 16:08:13,627 INFO L78 Accepts]: Start accepts. Automaton has 24083 states and 36177 transitions. Word has length 293 [2022-12-14 16:08:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:13,628 INFO L495 AbstractCegarLoop]: Abstraction has 24083 states and 36177 transitions. [2022-12-14 16:08:13,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:08:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24083 states and 36177 transitions. [2022-12-14 16:08:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-12-14 16:08:13,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:13,635 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 16:08:13,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:08:13,635 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash 152543678, now seen corresponding path program 1 times [2022-12-14 16:08:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:13,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129534174] [2022-12-14 16:08:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:13,846 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:13,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312082370] [2022-12-14 16:08:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:13,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:13,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:08:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:15,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 7910 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:08:15,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-12-14 16:08:15,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:15,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:15,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129534174] [2022-12-14 16:08:15,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:15,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312082370] [2022-12-14 16:08:15,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312082370] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:15,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:15,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:08:15,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474596374] [2022-12-14 16:08:15,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:15,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:15,576 INFO L87 Difference]: Start difference. First operand 24083 states and 36177 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 16:08:17,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:19,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:21,546 WARN L539 Checker$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 16:08:23,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:08:25,552 WARN L539 Checker$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 16:08:29,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:08:33,954 WARN L539 Checker$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 16:08:36,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:38,777 WARN L539 Checker$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 16:08:41,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:08:42,482 WARN L539 Checker$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 16:08:44,493 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 16:08:46,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:46,228 INFO L93 Difference]: Finished difference Result 69014 states and 103701 transitions. [2022-12-14 16:08:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:46,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 329 [2022-12-14 16:08:46,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:46,422 INFO L225 Difference]: With dead ends: 69014 [2022-12-14 16:08:46,422 INFO L226 Difference]: Without dead ends: 44991 [2022-12-14 16:08:46,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 327 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 16:08:46,512 INFO L413 NwaCegarLoop]: 6330 mSDtfsCounter, 3922 mSDsluCounter, 5105 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 11 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 11435 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:46,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 11435 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 774 Invalid, 9 Unknown, 0 Unchecked, 29.4s Time] [2022-12-14 16:08:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44991 states. [2022-12-14 16:08:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44991 to 44963. [2022-12-14 16:08:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44963 states, 24499 states have (on average 1.2108657496224335) internal successors, (29665), 25896 states have internal predecessors, (29665), 18911 states have call successors, (18911), 1553 states have call predecessors, (18911), 1552 states have return successors, (18911), 18674 states have call predecessors, (18911), 18904 states have call successors, (18911) [2022-12-14 16:08:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44963 states to 44963 states and 67487 transitions. [2022-12-14 16:08:49,858 INFO L78 Accepts]: Start accepts. Automaton has 44963 states and 67487 transitions. Word has length 329 [2022-12-14 16:08:49,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:49,859 INFO L495 AbstractCegarLoop]: Abstraction has 44963 states and 67487 transitions. [2022-12-14 16:08:49,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 16:08:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 44963 states and 67487 transitions. [2022-12-14 16:08:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-12-14 16:08:49,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:49,876 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 3, 2, 2, 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] [2022-12-14 16:08:49,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:50,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:50,077 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:50,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2046471788, now seen corresponding path program 1 times [2022-12-14 16:08:50,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632702055] [2022-12-14 16:08:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,386 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:50,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432023636] [2022-12-14 16:08:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:50,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:50,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:50,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:08:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:52,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 8101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:08:52,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2022-12-14 16:08:53,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:53,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:53,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632702055] [2022-12-14 16:08:53,136 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:53,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432023636] [2022-12-14 16:08:53,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432023636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:53,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:53,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:53,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684484316] [2022-12-14 16:08:53,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:53,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:53,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:53,138 INFO L87 Difference]: Start difference. First operand 44963 states and 67487 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 16:08:54,357 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 16:08:58,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:01,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:09:03,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:05,777 WARN L539 Checker$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 16:09:08,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:10,784 WARN L539 Checker$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 16:09:13,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:09:15,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:09:18,305 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 16:09:22,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:09:22,123 INFO L93 Difference]: Finished difference Result 44971 states and 67492 transitions. [2022-12-14 16:09:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:09:22,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 361 [2022-12-14 16:09:22,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:09:22,269 INFO L225 Difference]: With dead ends: 44971 [2022-12-14 16:09:22,269 INFO L226 Difference]: Without dead ends: 44968 [2022-12-14 16:09:22,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 359 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 16:09:22,285 INFO L413 NwaCegarLoop]: 6336 mSDtfsCounter, 4265 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4266 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:09:22,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4266 Valid, 11382 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 723 Invalid, 7 Unknown, 0 Unchecked, 27.2s Time] [2022-12-14 16:09:22,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44968 states. [2022-12-14 16:09:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44968 to 44959. [2022-12-14 16:09:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44959 states, 24497 states have (on average 1.2108421439359922) internal successors, (29662), 25894 states have internal predecessors, (29662), 18909 states have call successors, (18909), 1553 states have call predecessors, (18909), 1552 states have return successors, (18909), 18672 states have call predecessors, (18909), 18902 states have call successors, (18909) [2022-12-14 16:09:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44959 states to 44959 states and 67480 transitions. [2022-12-14 16:09:25,521 INFO L78 Accepts]: Start accepts. Automaton has 44959 states and 67480 transitions. Word has length 361 [2022-12-14 16:09:25,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:09:25,522 INFO L495 AbstractCegarLoop]: Abstraction has 44959 states and 67480 transitions. [2022-12-14 16:09:25,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 16:09:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 44959 states and 67480 transitions. [2022-12-14 16:09:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-12-14 16:09:25,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:09:25,531 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 3, 2, 2, 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] [2022-12-14 16:09:25,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:09:25,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:09:25,734 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:09:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:09:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1893517095, now seen corresponding path program 1 times [2022-12-14 16:09:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:09:25,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630909938] [2022-12-14 16:09:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:09:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:09:26,004 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:09:26,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189926487] [2022-12-14 16:09:26,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:09:26,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:09:26,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:09:26,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:09:26,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:09:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:09:28,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 8107 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:09:28,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:09:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2022-12-14 16:09:28,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:09:28,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:09:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630909938] [2022-12-14 16:09:28,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:09:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189926487] [2022-12-14 16:09:28,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189926487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:09:28,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:09:28,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:09:28,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334813164] [2022-12-14 16:09:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:09:28,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:09:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:09:28,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:09:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:09:28,771 INFO L87 Difference]: Start difference. First operand 44959 states and 67480 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 16:09:30,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:33,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:36,206 WARN L539 Checker$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 16:09:39,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:09:41,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:43,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:46,430 WARN L539 Checker$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 16:09:48,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:09:50,796 WARN L539 Checker$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 16:09:52,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:09:54,041 WARN L539 Checker$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 16:09:57,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:09:57,109 INFO L93 Difference]: Finished difference Result 44966 states and 67485 transitions. [2022-12-14 16:09:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:09:57,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 364 [2022-12-14 16:09:57,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:09:57,275 INFO L225 Difference]: With dead ends: 44966 [2022-12-14 16:09:57,275 INFO L226 Difference]: Without dead ends: 44958 [2022-12-14 16:09:57,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 362 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 16:09:57,301 INFO L413 NwaCegarLoop]: 6338 mSDtfsCounter, 4253 mSDsluCounter, 5055 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4255 SdHoareTripleChecker+Valid, 11393 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:09:57,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4255 Valid, 11393 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 718 Invalid, 9 Unknown, 0 Unchecked, 27.1s Time] [2022-12-14 16:09:57,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44958 states. [2022-12-14 16:10:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44958 to 44955. [2022-12-14 16:10:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44955 states, 24493 states have (on average 1.2106724370228228) internal successors, (29653), 25890 states have internal predecessors, (29653), 18909 states have call successors, (18909), 1553 states have call predecessors, (18909), 1552 states have return successors, (18909), 18672 states have call predecessors, (18909), 18902 states have call successors, (18909) [2022-12-14 16:10:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44955 states to 44955 states and 67471 transitions. [2022-12-14 16:10:00,421 INFO L78 Accepts]: Start accepts. Automaton has 44955 states and 67471 transitions. Word has length 364 [2022-12-14 16:10:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:10:00,421 INFO L495 AbstractCegarLoop]: Abstraction has 44955 states and 67471 transitions. [2022-12-14 16:10:00,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 16:10:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 44955 states and 67471 transitions. [2022-12-14 16:10:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-12-14 16:10:00,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:10:00,495 INFO L195 NwaCegarLoop]: trace histogram [45, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:00,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 16:10:00,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:10:00,697 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:10:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:10:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1009173503, now seen corresponding path program 1 times [2022-12-14 16:10:00,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:10:00,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28181905] [2022-12-14 16:10:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:10:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:10:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:10:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3524 trivial. 0 not checked. [2022-12-14 16:10:01,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:10:01,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28181905] [2022-12-14 16:10:01,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28181905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:10:01,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:10:01,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:10:01,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136850985] [2022-12-14 16:10:01,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:10:01,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:10:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:10:01,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:10:01,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:10:01,699 INFO L87 Difference]: Start difference. First operand 44955 states and 67471 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-14 16:10:03,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:05,981 WARN L539 Checker$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 16:10:08,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:10:11,773 WARN L539 Checker$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 16:10:13,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:10:15,870 WARN L539 Checker$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 16:10:17,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:20,351 WARN L539 Checker$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 16:10:23,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:25,454 WARN L539 Checker$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 16:10:27,671 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 16:10:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:10:30,691 INFO L93 Difference]: Finished difference Result 97967 states and 146272 transitions. [2022-12-14 16:10:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:10:30,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 819 [2022-12-14 16:10:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:10:30,876 INFO L225 Difference]: With dead ends: 97967 [2022-12-14 16:10:30,876 INFO L226 Difference]: Without dead ends: 53072 [2022-12-14 16:10:31,013 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 16:10:31,014 INFO L413 NwaCegarLoop]: 5751 mSDtfsCounter, 1113 mSDsluCounter, 5019 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 10770 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:10:31,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 10770 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 812 Invalid, 8 Unknown, 0 Unchecked, 27.3s Time] [2022-12-14 16:10:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53072 states. [2022-12-14 16:10:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53072 to 53027. [2022-12-14 16:10:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53027 states, 29717 states have (on average 1.2305750916983544) internal successors, (36569), 31266 states have internal predecessors, (36569), 21121 states have call successors, (21121), 2189 states have call predecessors, (21121), 2188 states have return successors, (21129), 20860 states have call predecessors, (21129), 21114 states have call successors, (21129) [2022-12-14 16:10:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53027 states to 53027 states and 78819 transitions. [2022-12-14 16:10:34,377 INFO L78 Accepts]: Start accepts. Automaton has 53027 states and 78819 transitions. Word has length 819 [2022-12-14 16:10:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:10:34,377 INFO L495 AbstractCegarLoop]: Abstraction has 53027 states and 78819 transitions. [2022-12-14 16:10:34,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 2 states have call successors, (98), 2 states have call predecessors, (98), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-14 16:10:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 53027 states and 78819 transitions. [2022-12-14 16:10:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2022-12-14 16:10:34,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:10:34,459 INFO L195 NwaCegarLoop]: trace histogram [45, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:34,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:10:34,460 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:10:34,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:10:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash 803548732, now seen corresponding path program 1 times [2022-12-14 16:10:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:10:34,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394761980] [2022-12-14 16:10:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:10:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:10:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:10:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3651 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3639 trivial. 0 not checked. [2022-12-14 16:10:35,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:10:35,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394761980] [2022-12-14 16:10:35,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394761980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:10:35,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:10:35,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:10:35,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843797348] [2022-12-14 16:10:35,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:10:35,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:10:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:10:35,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:10:35,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:10:35,531 INFO L87 Difference]: Start difference. First operand 53027 states and 78819 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) [2022-12-14 16:10:39,503 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 16:10:41,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:43,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:10:46,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:10:48,275 WARN L539 Checker$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 16:10:50,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:51,395 WARN L539 Checker$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 16:10:53,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:10:55,654 WARN L539 Checker$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 16:10:58,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:00,591 WARN L539 Checker$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 16:11:03,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:11:05,428 WARN L539 Checker$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 16:11:07,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:07,009 INFO L93 Difference]: Finished difference Result 80490 states and 119554 transitions. [2022-12-14 16:11:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:11:07,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) Word has length 842 [2022-12-14 16:11:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:07,107 INFO L225 Difference]: With dead ends: 80490 [2022-12-14 16:11:07,107 INFO L226 Difference]: Without dead ends: 27519 [2022-12-14 16:11:07,267 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 16:11:07,267 INFO L413 NwaCegarLoop]: 5154 mSDtfsCounter, 17 mSDsluCounter, 5135 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 10289 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:07,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 10289 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 722 Invalid, 9 Unknown, 0 Unchecked, 30.4s Time] [2022-12-14 16:11:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27519 states. [2022-12-14 16:11:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27519 to 27447. [2022-12-14 16:11:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27447 states, 15437 states have (on average 1.232169462978558) internal successors, (19021), 16221 states have internal predecessors, (19021), 10854 states have call successors, (10854), 1156 states have call predecessors, (10854), 1155 states have return successors, (10854), 10721 states have call predecessors, (10854), 10847 states have call successors, (10854) [2022-12-14 16:11:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27447 states to 27447 states and 40729 transitions. [2022-12-14 16:11:09,101 INFO L78 Accepts]: Start accepts. Automaton has 27447 states and 40729 transitions. Word has length 842 [2022-12-14 16:11:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:09,102 INFO L495 AbstractCegarLoop]: Abstraction has 27447 states and 40729 transitions. [2022-12-14 16:11:09,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) [2022-12-14 16:11:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 27447 states and 40729 transitions. [2022-12-14 16:11:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 867 [2022-12-14 16:11:09,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:09,145 INFO L195 NwaCegarLoop]: trace histogram [45, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:09,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 16:11:09,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:11:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2102103637, now seen corresponding path program 1 times [2022-12-14 16:11:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:09,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261768808] [2022-12-14 16:11:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3901 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3889 trivial. 0 not checked. [2022-12-14 16:11:10,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:10,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261768808] [2022-12-14 16:11:10,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261768808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:10,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:10,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:10,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812244790] [2022-12-14 16:11:10,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:10,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:11:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:10,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:11:10,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:11:10,607 INFO L87 Difference]: Start difference. First operand 27447 states and 40729 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) [2022-12-14 16:11:11,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:13,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:15,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:17,197 WARN L539 Checker$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 16:11:20,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:11:22,902 WARN L539 Checker$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 16:11:25,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:27,789 WARN L539 Checker$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 16:11:29,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:32,765 WARN L539 Checker$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 16:11:34,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:37,568 WARN L539 Checker$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 16:11:39,587 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 16:11:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:41,106 INFO L93 Difference]: Finished difference Result 41705 states and 61923 transitions. [2022-12-14 16:11:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:11:41,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) Word has length 866 [2022-12-14 16:11:41,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:41,187 INFO L225 Difference]: With dead ends: 41705 [2022-12-14 16:11:41,187 INFO L226 Difference]: Without dead ends: 27652 [2022-12-14 16:11:41,228 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 16:11:41,229 INFO L413 NwaCegarLoop]: 5191 mSDtfsCounter, 47 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 10338 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:41,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 10338 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 741 Invalid, 8 Unknown, 0 Unchecked, 29.6s Time] [2022-12-14 16:11:41,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27652 states. [2022-12-14 16:11:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27652 to 27456. [2022-12-14 16:11:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27456 states, 15446 states have (on average 1.2320341836074065) internal successors, (19030), 16230 states have internal predecessors, (19030), 10854 states have call successors, (10854), 1156 states have call predecessors, (10854), 1155 states have return successors, (10854), 10721 states have call predecessors, (10854), 10847 states have call successors, (10854) [2022-12-14 16:11:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27456 states to 27456 states and 40738 transitions. [2022-12-14 16:11:42,892 INFO L78 Accepts]: Start accepts. Automaton has 27456 states and 40738 transitions. Word has length 866 [2022-12-14 16:11:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:42,893 INFO L495 AbstractCegarLoop]: Abstraction has 27456 states and 40738 transitions. [2022-12-14 16:11:42,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (100), 2 states have call predecessors, (100), 2 states have call successors, (100) [2022-12-14 16:11:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27456 states and 40738 transitions. [2022-12-14 16:11:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2022-12-14 16:11:42,933 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:42,933 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:42,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 16:11:42,934 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:11:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1515573370, now seen corresponding path program 1 times [2022-12-14 16:11:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:42,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868325587] [2022-12-14 16:11:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2022-12-14 16:11:44,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:44,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868325587] [2022-12-14 16:11:44,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868325587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:44,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:44,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:11:44,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519970943] [2022-12-14 16:11:44,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:44,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:44,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:44,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:44,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:44,503 INFO L87 Difference]: Start difference. First operand 27456 states and 40738 transitions. Second operand has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:11:46,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:48,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:50,562 WARN L539 Checker$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 16:11:51,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:11:54,177 WARN L539 Checker$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 16:11:56,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:11:57,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:11:59,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:12:05,294 WARN L539 Checker$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 16:12:07,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:10,409 WARN L539 Checker$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 16:12:12,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:15,582 WARN L539 Checker$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 16:12:17,612 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 16:12:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:12:19,500 INFO L93 Difference]: Finished difference Result 41459 states and 61559 transitions. [2022-12-14 16:12:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:12:19,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 881 [2022-12-14 16:12:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:12:19,599 INFO L225 Difference]: With dead ends: 41459 [2022-12-14 16:12:19,599 INFO L226 Difference]: Without dead ends: 27548 [2022-12-14 16:12:19,653 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 16:12:19,653 INFO L413 NwaCegarLoop]: 5245 mSDtfsCounter, 162 mSDsluCounter, 10251 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 45 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 15496 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:12:19,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 15496 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1088 Invalid, 10 Unknown, 0 Unchecked, 34.2s Time] [2022-12-14 16:12:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27548 states. [2022-12-14 16:12:21,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27548 to 27458. [2022-12-14 16:12:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27458 states, 15448 states have (on average 1.2320041429311237) internal successors, (19032), 16232 states have internal predecessors, (19032), 10854 states have call successors, (10854), 1156 states have call predecessors, (10854), 1155 states have return successors, (10854), 10721 states have call predecessors, (10854), 10847 states have call successors, (10854) [2022-12-14 16:12:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27458 states to 27458 states and 40740 transitions. [2022-12-14 16:12:21,398 INFO L78 Accepts]: Start accepts. Automaton has 27458 states and 40740 transitions. Word has length 881 [2022-12-14 16:12:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:12:21,398 INFO L495 AbstractCegarLoop]: Abstraction has 27458 states and 40740 transitions. [2022-12-14 16:12:21,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:12:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27458 states and 40740 transitions. [2022-12-14 16:12:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2022-12-14 16:12:21,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:12:21,439 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:21,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 16:12:21,439 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:12:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:12:21,439 INFO L85 PathProgramCache]: Analyzing trace with hash 496656483, now seen corresponding path program 1 times [2022-12-14 16:12:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:12:21,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137732344] [2022-12-14 16:12:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:12:21,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:12:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:12:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2022-12-14 16:12:22,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:12:22,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137732344] [2022-12-14 16:12:22,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137732344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:12:22,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:12:22,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:12:22,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34144669] [2022-12-14 16:12:22,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:12:22,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:12:22,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:12:22,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:12:22,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:12:22,582 INFO L87 Difference]: Start difference. First operand 27458 states and 40740 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:12:24,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:28,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:12:30,831 WARN L539 Checker$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 16:12:32,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:12:35,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:37,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:39,844 WARN L539 Checker$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 16:12:42,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:44,708 WARN L539 Checker$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 16:12:47,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:12:49,233 WARN L539 Checker$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 16:12:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:12:50,538 INFO L93 Difference]: Finished difference Result 41380 states and 61435 transitions. [2022-12-14 16:12:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:12:50,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 885 [2022-12-14 16:12:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:12:50,632 INFO L225 Difference]: With dead ends: 41380 [2022-12-14 16:12:50,632 INFO L226 Difference]: Without dead ends: 27467 [2022-12-14 16:12:50,719 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 16:12:50,719 INFO L413 NwaCegarLoop]: 5145 mSDtfsCounter, 8 mSDsluCounter, 5133 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10278 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:12:50,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10278 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 725 Invalid, 8 Unknown, 0 Unchecked, 27.2s Time] [2022-12-14 16:12:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27467 states. [2022-12-14 16:12:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27467 to 27460. [2022-12-14 16:12:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27460 states, 15450 states have (on average 1.2319741100323625) internal successors, (19034), 16234 states have internal predecessors, (19034), 10854 states have call successors, (10854), 1156 states have call predecessors, (10854), 1155 states have return successors, (10854), 10721 states have call predecessors, (10854), 10847 states have call successors, (10854) [2022-12-14 16:12:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27460 states to 27460 states and 40742 transitions. [2022-12-14 16:12:52,426 INFO L78 Accepts]: Start accepts. Automaton has 27460 states and 40742 transitions. Word has length 885 [2022-12-14 16:12:52,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:12:52,426 INFO L495 AbstractCegarLoop]: Abstraction has 27460 states and 40742 transitions. [2022-12-14 16:12:52,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:12:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 27460 states and 40742 transitions. [2022-12-14 16:12:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2022-12-14 16:12:52,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:12:52,467 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:52,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 16:12:52,467 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:12:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:12:52,468 INFO L85 PathProgramCache]: Analyzing trace with hash 593631631, now seen corresponding path program 1 times [2022-12-14 16:12:52,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:12:52,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912342423] [2022-12-14 16:12:52,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:12:52,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:12:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:12:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2022-12-14 16:12:53,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:12:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912342423] [2022-12-14 16:12:53,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912342423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:12:53,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:12:53,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:12:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012376632] [2022-12-14 16:12:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:12:53,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:12:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:12:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:12:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:12:53,906 INFO L87 Difference]: Start difference. First operand 27460 states and 40742 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:12:55,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:12:58,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:01,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:13:05,421 WARN L539 Checker$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 16:13:07,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:10,214 WARN L539 Checker$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 16:13:12,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:14,966 WARN L539 Checker$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 16:13:17,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:19,359 WARN L539 Checker$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 16:13:21,393 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 16:13:23,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:13:23,822 INFO L93 Difference]: Finished difference Result 41378 states and 61431 transitions. [2022-12-14 16:13:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:13:23,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 886 [2022-12-14 16:13:23,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:13:23,910 INFO L225 Difference]: With dead ends: 41378 [2022-12-14 16:13:23,910 INFO L226 Difference]: Without dead ends: 27463 [2022-12-14 16:13:23,953 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 16:13:23,954 INFO L413 NwaCegarLoop]: 5138 mSDtfsCounter, 1 mSDsluCounter, 5135 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10273 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:13:23,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10273 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 725 Invalid, 8 Unknown, 0 Unchecked, 29.2s Time] [2022-12-14 16:13:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27463 states. [2022-12-14 16:13:25,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27463 to 27461. [2022-12-14 16:13:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27461 states, 15451 states have (on average 1.2319590964986085) internal successors, (19035), 16235 states have internal predecessors, (19035), 10854 states have call successors, (10854), 1156 states have call predecessors, (10854), 1155 states have return successors, (10854), 10721 states have call predecessors, (10854), 10847 states have call successors, (10854) [2022-12-14 16:13:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27461 states to 27461 states and 40743 transitions. [2022-12-14 16:13:25,716 INFO L78 Accepts]: Start accepts. Automaton has 27461 states and 40743 transitions. Word has length 886 [2022-12-14 16:13:25,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:13:25,717 INFO L495 AbstractCegarLoop]: Abstraction has 27461 states and 40743 transitions. [2022-12-14 16:13:25,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:13:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27461 states and 40743 transitions. [2022-12-14 16:13:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2022-12-14 16:13:25,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:13:25,795 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:13:25,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 16:13:25,795 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:13:25,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:13:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash 756098172, now seen corresponding path program 1 times [2022-12-14 16:13:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:13:25,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532701957] [2022-12-14 16:13:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:13:25,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:13:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:13:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2022-12-14 16:13:30,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:13:30,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532701957] [2022-12-14 16:13:30,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532701957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:13:30,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:13:30,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 16:13:30,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304137487] [2022-12-14 16:13:30,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:13:30,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 16:13:30,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:13:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 16:13:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:13:30,510 INFO L87 Difference]: Start difference. First operand 27461 states and 40743 transitions. Second operand has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 16:13:32,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:35,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:38,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:40,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:13:46,645 WARN L539 Checker$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 16:13:49,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:13:51,071 WARN L539 Checker$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 16:13:52,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:13:55,880 WARN L539 Checker$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 16:13:58,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:14:01,371 WARN L539 Checker$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 16:14:04,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:14:08,143 WARN L539 Checker$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 16:14:10,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:13,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:14,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:17,699 WARN L539 Checker$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 16:14:20,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:22,071 WARN L539 Checker$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 16:14:24,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:25,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:27,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:29,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:31,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:34,232 WARN L539 Checker$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 16:14:36,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:40,865 WARN L539 Checker$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 16:14:44,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:46,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:14:48,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:14:51,198 WARN L539 Checker$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 16:14:54,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:14:55,987 WARN L539 Checker$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 16:15:08,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:10,232 WARN L539 Checker$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 16:15:12,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:14,248 WARN L539 Checker$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 16:15:16,923 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 16:15:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:15:17,706 INFO L93 Difference]: Finished difference Result 41517 states and 61641 transitions. [2022-12-14 16:15:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:15:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) Word has length 888 [2022-12-14 16:15:17,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:15:17,800 INFO L225 Difference]: With dead ends: 41517 [2022-12-14 16:15:17,800 INFO L226 Difference]: Without dead ends: 27601 [2022-12-14 16:15:17,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-12-14 16:15:17,852 INFO L413 NwaCegarLoop]: 6422 mSDtfsCounter, 4603 mSDsluCounter, 42472 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 3 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4640 SdHoareTripleChecker+Valid, 48894 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:15:17,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4640 Valid, 48894 Invalid, 4077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4053 Invalid, 21 Unknown, 0 Unchecked, 106.0s Time] [2022-12-14 16:15:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27601 states. [2022-12-14 16:15:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27601 to 27497. [2022-12-14 16:15:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27497 states, 15478 states have (on average 1.2322005427057758) internal successors, (19072), 16261 states have internal predecessors, (19072), 10863 states have call successors, (10863), 1156 states have call predecessors, (10863), 1155 states have return successors, (10863), 10731 states have call predecessors, (10863), 10856 states have call successors, (10863) [2022-12-14 16:15:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27497 states to 27497 states and 40798 transitions. [2022-12-14 16:15:19,675 INFO L78 Accepts]: Start accepts. Automaton has 27497 states and 40798 transitions. Word has length 888 [2022-12-14 16:15:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:15:19,675 INFO L495 AbstractCegarLoop]: Abstraction has 27497 states and 40798 transitions. [2022-12-14 16:15:19,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 16:15:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 27497 states and 40798 transitions. [2022-12-14 16:15:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2022-12-14 16:15:19,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:15:19,715 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:15:19,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 16:15:19,715 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:15:19,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:15:19,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1452036215, now seen corresponding path program 1 times [2022-12-14 16:15:19,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:15:19,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067396134] [2022-12-14 16:15:19,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:15:19,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:15:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:15:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2022-12-14 16:15:21,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:15:21,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067396134] [2022-12-14 16:15:21,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067396134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:15:21,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:15:21,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:15:21,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973512187] [2022-12-14 16:15:21,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:15:21,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:15:21,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:15:21,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:15:21,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:15:21,429 INFO L87 Difference]: Start difference. First operand 27497 states and 40798 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 16:15:23,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:25,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:27,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:15:29,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:15:32,031 WARN L539 Checker$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 16:15:34,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:36,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:38,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:40,550 WARN L539 Checker$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 16:15:43,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:45,326 WARN L539 Checker$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 16:15:47,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:15:48,672 WARN L539 Checker$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 16:15:50,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:15:54,565 WARN L539 Checker$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 16:15:57,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:15:59,130 WARN L539 Checker$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 16:16:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:16:00,250 INFO L93 Difference]: Finished difference Result 55238 states and 82036 transitions. [2022-12-14 16:16:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:16:00,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) Word has length 889 [2022-12-14 16:16:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:16:00,372 INFO L225 Difference]: With dead ends: 55238 [2022-12-14 16:16:00,372 INFO L226 Difference]: Without dead ends: 41322 [2022-12-14 16:16:00,415 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 16:16:00,415 INFO L413 NwaCegarLoop]: 6568 mSDtfsCounter, 5139 mSDsluCounter, 5054 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5143 SdHoareTripleChecker+Valid, 11622 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:16:00,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5143 Valid, 11622 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 13 Unknown, 0 Unchecked, 37.6s Time] [2022-12-14 16:16:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41322 states. [2022-12-14 16:16:03,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41322 to 41293. [2022-12-14 16:16:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41293 states, 23244 states have (on average 1.2324040612631217) internal successors, (28646), 24414 states have internal predecessors, (28646), 16332 states have call successors, (16332), 1717 states have call predecessors, (16332), 1716 states have return successors, (16337), 16136 states have call predecessors, (16337), 16325 states have call successors, (16337) [2022-12-14 16:16:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41293 states to 41293 states and 61315 transitions. [2022-12-14 16:16:03,305 INFO L78 Accepts]: Start accepts. Automaton has 41293 states and 61315 transitions. Word has length 889 [2022-12-14 16:16:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:16:03,306 INFO L495 AbstractCegarLoop]: Abstraction has 41293 states and 61315 transitions. [2022-12-14 16:16:03,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 16:16:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 41293 states and 61315 transitions. [2022-12-14 16:16:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2022-12-14 16:16:03,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:16:03,362 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 8, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:16:03,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 16:16:03,362 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:16:03,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:16:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1643763795, now seen corresponding path program 1 times [2022-12-14 16:16:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:16:03,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930153959] [2022-12-14 16:16:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:16:04,374 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:16:04,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688488062] [2022-12-14 16:16:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:04,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:16:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:16:04,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:16:04,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 16:16:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:16:10,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 26184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:16:10,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:16:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4191 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2022-12-14 16:16:13,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:16:13,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:16:13,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930153959] [2022-12-14 16:16:13,221 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:16:13,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688488062] [2022-12-14 16:16:13,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688488062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:16:13,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:16:13,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:16:13,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914076493] [2022-12-14 16:16:13,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:16:13,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:16:13,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:16:13,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:16:13,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:16:13,224 INFO L87 Difference]: Start difference. First operand 41293 states and 61315 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2022-12-14 16:16:15,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:17,548 WARN L539 Checker$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 16:16:18,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:16:20,731 WARN L539 Checker$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 16:16:22,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:16:25,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:28,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:30,265 WARN L539 Checker$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 16:16:32,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:35,030 WARN L539 Checker$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 16:16:36,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:38,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:16:40,126 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 16:16:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:16:41,448 INFO L93 Difference]: Finished difference Result 55868 states and 82910 transitions. [2022-12-14 16:16:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:16:41,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) Word has length 893 [2022-12-14 16:16:41,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:16:41,538 INFO L225 Difference]: With dead ends: 55868 [2022-12-14 16:16:41,538 INFO L226 Difference]: Without dead ends: 28156 [2022-12-14 16:16:41,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 891 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 16:16:41,627 INFO L413 NwaCegarLoop]: 5319 mSDtfsCounter, 4975 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4981 SdHoareTripleChecker+Valid, 6042 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:16:41,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4981 Valid, 6042 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 9 Unknown, 0 Unchecked, 27.1s Time] [2022-12-14 16:16:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28156 states. [2022-12-14 16:16:43,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28156 to 28120. [2022-12-14 16:16:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28120 states, 15830 states have (on average 1.2315855969677827) internal successors, (19496), 16629 states have internal predecessors, (19496), 11085 states have call successors, (11085), 1204 states have call predecessors, (11085), 1204 states have return successors, (11087), 10949 states have call predecessors, (11087), 11078 states have call successors, (11087) [2022-12-14 16:16:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28120 states to 28120 states and 41668 transitions. [2022-12-14 16:16:43,706 INFO L78 Accepts]: Start accepts. Automaton has 28120 states and 41668 transitions. Word has length 893 [2022-12-14 16:16:43,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:16:43,707 INFO L495 AbstractCegarLoop]: Abstraction has 28120 states and 41668 transitions. [2022-12-14 16:16:43,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2022-12-14 16:16:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 28120 states and 41668 transitions. [2022-12-14 16:16:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2022-12-14 16:16:43,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:16:43,750 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:16:43,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 16:16:43,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a339a8-4e25-46ab-a6d4-c4d08cbdb31f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 16:16:43,951 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:16:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:16:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1447906516, now seen corresponding path program 1 times [2022-12-14 16:16:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:16:43,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830620419] [2022-12-14 16:16:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:16:43,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:16:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:16:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2022-12-14 16:16:45,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:16:45,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830620419] [2022-12-14 16:16:45,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830620419] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:16:45,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:16:45,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:16:45,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80517907] [2022-12-14 16:16:45,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:16:45,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:16:45,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:16:45,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:16:45,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:16:45,425 INFO L87 Difference]: Start difference. First operand 28120 states and 41668 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:16:47,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:50,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:16:52,934 WARN L539 Checker$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 16:16:55,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:16:57,689 WARN L539 Checker$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 16:16:59,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:02,306 WARN L539 Checker$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 16:17:04,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:07,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:08,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:10,040 WARN L539 Checker$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 16:17:12,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:16,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:18,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:20,802 WARN L539 Checker$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 16:17:21,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:21,899 INFO L93 Difference]: Finished difference Result 41953 states and 62223 transitions. [2022-12-14 16:17:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:17:21,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 890 [2022-12-14 16:17:21,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:22,031 INFO L225 Difference]: With dead ends: 41953 [2022-12-14 16:17:22,031 INFO L226 Difference]: Without dead ends: 41950 [2022-12-14 16:17:22,051 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 16:17:22,052 INFO L413 NwaCegarLoop]: 6671 mSDtfsCounter, 5129 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 11714 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:22,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 11714 Invalid, 755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 8 Unknown, 0 Unchecked, 35.1s Time] [2022-12-14 16:17:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41950 states. [2022-12-14 16:17:24,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41950 to 41928. [2022-12-14 16:17:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41928 states, 23605 states have (on average 1.231900021181953) internal successors, (29079), 24792 states have internal predecessors, (29079), 16555 states have call successors, (16555), 1767 states have call predecessors, (16555), 1767 states have return successors, (16562), 16355 states have call predecessors, (16562), 16548 states have call successors, (16562) [2022-12-14 16:17:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41928 states to 41928 states and 62196 transitions. [2022-12-14 16:17:24,970 INFO L78 Accepts]: Start accepts. Automaton has 41928 states and 62196 transitions. Word has length 890 [2022-12-14 16:17:24,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:24,971 INFO L495 AbstractCegarLoop]: Abstraction has 41928 states and 62196 transitions. [2022-12-14 16:17:24,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:17:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41928 states and 62196 transitions. [2022-12-14 16:17:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2022-12-14 16:17:25,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:25,013 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:17:25,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 16:17:25,013 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:17:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:25,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1937960162, now seen corresponding path program 1 times [2022-12-14 16:17:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:25,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187521226] [2022-12-14 16:17:25,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:25,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2022-12-14 16:17:26,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:26,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187521226] [2022-12-14 16:17:26,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187521226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:26,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:26,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:17:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164133298] [2022-12-14 16:17:26,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:26,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:17:26,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:17:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:17:26,486 INFO L87 Difference]: Start difference. First operand 41928 states and 62196 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:17:28,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:30,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:33,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:36,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:39,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:41,536 WARN L539 Checker$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 16:17:44,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:17:46,459 WARN L539 Checker$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 16:17:49,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 16:17:51,287 WARN L539 Checker$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 16:17:53,317 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 16:17:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:58,199 INFO L93 Difference]: Finished difference Result 41949 states and 62218 transitions. [2022-12-14 16:17:58,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:17:58,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 891 [2022-12-14 16:17:58,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:58,328 INFO L225 Difference]: With dead ends: 41949 [2022-12-14 16:17:58,329 INFO L226 Difference]: Without dead ends: 41946 [2022-12-14 16:17:58,346 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 16:17:58,346 INFO L413 NwaCegarLoop]: 6672 mSDtfsCounter, 5123 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5127 SdHoareTripleChecker+Valid, 11718 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:58,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5127 Valid, 11718 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 741 Invalid, 9 Unknown, 0 Unchecked, 30.2s Time] [2022-12-14 16:17:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41946 states. [2022-12-14 16:18:01,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41946 to 41930. [2022-12-14 16:18:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41930 states, 23607 states have (on average 1.231880374465201) internal successors, (29081), 24794 states have internal predecessors, (29081), 16555 states have call successors, (16555), 1767 states have call predecessors, (16555), 1767 states have return successors, (16562), 16355 states have call predecessors, (16562), 16548 states have call successors, (16562) [2022-12-14 16:18:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41930 states to 41930 states and 62198 transitions. [2022-12-14 16:18:01,418 INFO L78 Accepts]: Start accepts. Automaton has 41930 states and 62198 transitions. Word has length 891 [2022-12-14 16:18:01,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:18:01,419 INFO L495 AbstractCegarLoop]: Abstraction has 41930 states and 62198 transitions. [2022-12-14 16:18:01,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:18:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 41930 states and 62198 transitions. [2022-12-14 16:18:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2022-12-14 16:18:01,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:18:01,461 INFO L195 NwaCegarLoop]: trace histogram [48, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 7, 5, 5, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:18:01,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 16:18:01,461 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:18:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash 50250863, now seen corresponding path program 1 times [2022-12-14 16:18:01,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:18:01,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457466934] [2022-12-14 16:18:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:18:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2022-12-14 16:18:02,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:18:02,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457466934] [2022-12-14 16:18:02,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457466934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:18:02,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:18:02,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:18:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649204758] [2022-12-14 16:18:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:18:02,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:18:02,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:18:02,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:18:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:18:02,972 INFO L87 Difference]: Start difference. First operand 41930 states and 62198 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-12-14 16:18:05,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:18:07,256 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 []